CVE-2025-11260
📋 TL;DR
The WP Headless CMS Framework plugin for WordPress has an authentication bypass vulnerability that allows unauthenticated attackers to access restricted content. This affects all WordPress sites using this plugin up to version 1.15. Attackers can exploit this by sending requests without proper authorization headers to bypass nonce protection.
💻 Affected Systems
- WP Headless CMS Framework WordPress 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
Unauthenticated attackers gain access to sensitive content, administrative functions, or private data that should be restricted to authorized users only.
Likely Case
Attackers access restricted content, potentially exposing private posts, user data, or other protected information.
If Mitigated
With proper web application firewalls and monitoring, attacks can be detected and blocked before sensitive data is exposed.
🎯 Exploit Status
Exploitation requires sending HTTP requests without Authorization headers to bypass nonce checks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 1.16 or later
Vendor Advisory: https://wordpress.org/plugins/wp-rest-headless/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WP Headless CMS Framework. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 1.16+ from WordPress.org and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate wp-rest-headless
Web Application Firewall Rule
allBlock requests attempting to exploit the authorization bypass
Add WAF rule to block requests to WP REST API endpoints without proper authentication headers
🧯 If You Can't Patch
- Implement strict network access controls to limit who can access the WordPress REST API endpoints
- Enable detailed logging of all REST API requests and monitor for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > WP Headless CMS Framework. If version is 1.15 or lower, you are vulnerable.Check Version:
wp plugin get wp-rest-headless --field=versionVerify Fix Applied:
After updating, verify plugin version shows 1.16 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Multiple failed authentication attempts to REST API endpoints
- Requests to protected endpoints without Authorization headers
- Unusual access patterns to /wp-json/ endpoints
Network Indicators:
- HTTP requests to WordPress REST API without proper authentication headers
- Unusual traffic spikes to /wp-json/wp/v2/ endpoints
SIEM Query:
source="wordpress.log" AND ("wp-json" OR "rest-api") AND NOT "Authorization:"