CVE-2025-39369
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the Posts for Page WordPress plugin, which are then executed in victims' browsers. It affects all WordPress sites using Posts for Page plugin versions up to 2.1. Attackers can steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- WordPress Posts for Page plugin
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal administrator session cookies, gain full control of WordPress site, install backdoors, deface website, or steal sensitive user data.
Likely Case
Attackers steal user session cookies, redirect visitors to malicious sites, or perform limited actions within the compromised user's context.
If Mitigated
Script execution is blocked by Content Security Policy (CSP) headers or browser XSS filters, limiting damage to minor UI manipulation.
🎯 Exploit Status
DOM-based XSS typically requires user interaction but can be triggered via crafted links. Public exploit details available in security advisories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Posts for Page' and click 'Update Now'. 4. Verify plugin version is 2.2 or higher.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate Posts for Page plugin until patched
wp plugin deactivate posts-for-page
Implement Content Security Policy
allAdd CSP headers to block inline script execution
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to wp-config.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");
🧯 If You Can't Patch
- Remove Posts for Page plugin entirely and use alternative functionality
- Implement web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Posts for Page version. If version is 2.1 or lower, system is vulnerable.Check Version:
wp plugin get posts-for-page --field=versionVerify Fix Applied:
Confirm Posts for Page plugin version is 2.2 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST/GET requests containing script tags or JavaScript payloads to posts-for-page endpoints
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests with suspicious parameters like <script>, javascript:, or encoded payloads
SIEM Query:
source="web_logs" AND ("posts-for-page" OR "wp-content/plugins/posts-for-page") AND ("<script" OR "javascript:" OR "onerror=" OR "onload=")