CVE-2025-67534
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in the Jacques Malgrange Rencontre WordPress plugin allows attackers to perform stored cross-site scripting (XSS) attacks. This affects all WordPress sites running Rencontre plugin versions up to and including 3.13.7. Attackers can trick authenticated administrators into executing malicious actions.
💻 Affected Systems
- Jacques Malgrange Rencontre 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
Attackers could inject persistent malicious scripts that steal administrator credentials, deface websites, or redirect users to malicious sites when administrators visit vulnerable pages.
Likely Case
Attackers create fake forms or links that trick logged-in administrators into unknowingly submitting malicious content that gets stored as XSS payloads on the site.
If Mitigated
With proper CSRF tokens and input validation, the attack would fail as unauthorized requests would be rejected.
🎯 Exploit Status
CSRF to XSS chain requires social engineering but is technically simple. No public exploit code found but trivial to weaponize.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 3.13.8 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Rencontre' plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download version 3.13.8+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Implement CSRF Protection
allAdd custom CSRF tokens to all Rencontre plugin forms
Requires custom PHP development - no single command
Disable Plugin
linuxTemporarily disable Rencontre plugin until patched
wp plugin deactivate rencontre
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to limit XSS impact
- Restrict admin panel access to specific IP addresses only
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Rencontre version. If version ≤ 3.13.7, vulnerable.
Check Version:
wp plugin get rencontre --field=version
Verify Fix Applied:
Verify Rencontre plugin version is 3.13.8 or higher in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Multiple failed CSRF token validations
- Unexpected POST requests to Rencontre admin endpoints
- Administrator accounts performing unusual form submissions
Network Indicators:
- Cross-origin requests to Rencontre plugin endpoints
- Suspicious referer headers in admin requests
SIEM Query:
source="wordpress.log" AND "rencontre" AND ("csrf" OR "invalid nonce" OR "wp_verify_nonce failed")