CVE-2025-64218
📋 TL;DR
This vulnerability in the Passster WordPress plugin allows attackers to retrieve embedded sensitive data that should be protected. It affects all WordPress sites using Passster content-protector plugin versions up to 4.2.19. Attackers can access protected content without proper authorization.
💻 Affected Systems
- WordPress Passster (content-protector) 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
Complete exposure of all protected content including sensitive documents, private information, and premium content intended for authorized users only.
Likely Case
Unauthorized access to protected pages, posts, or media that should be restricted to specific users or subscribers.
If Mitigated
Limited exposure if minimal sensitive content is protected by the plugin or if additional access controls are implemented.
🎯 Exploit Status
The vulnerability involves information disclosure through data sent to clients, making exploitation straightforward once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.2.20 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find 'Passster' plugin
4. Click 'Update Now' if update is available
5. If no update appears, manually download version 4.2.20+ from WordPress.org
6. Deactivate old version, upload new version, activate
🔧 Temporary Workarounds
Disable Passster Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate passster
Restrict Access via .htaccess
linuxAdd IP-based restrictions to protected content directories
Order deny,allow
Deny from all
Allow from 192.168.1.0/24
🧯 If You Can't Patch
- Implement alternative content protection using WordPress native capabilities or different plugin
- Monitor access logs for unusual requests to protected content URLs
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Passster version ≤4.2.19Check Version:
wp plugin get passster --field=versionVerify Fix Applied:
Confirm Passster plugin version is 4.2.20 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to protected content URLs
- Multiple failed then successful access attempts to restricted areas
Network Indicators:
- Requests bypassing expected authentication flows
- Unusual data retrieval from protected endpoints
SIEM Query:
source="wordpress.log" AND ("passster" OR "protected-content") AND status=200 AND user="unauthenticated"