CVE-2025-26966
📋 TL;DR
This vulnerability allows unauthenticated attackers to bypass authentication in the PrivateContent WordPress plugin, potentially gaining administrative access to affected sites. All WordPress installations using PrivateContent versions up to 8.11.5 are affected. Attackers can take over accounts without valid credentials.
💻 Affected Systems
- PrivateContent 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
Complete site compromise with administrative access, data theft, malware injection, and defacement.
Likely Case
Unauthorized access to protected content, user account takeover, and privilege escalation.
If Mitigated
Limited impact if strong network controls and monitoring prevent exploitation attempts.
🎯 Exploit Status
Public exploit details available on Patchstack; trivial to exploit with simple HTTP requests.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 8.11.6 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find PrivateContent plugin. 4. Click 'Update Now' if available. 5. Alternatively, download version 8.11.6+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable PrivateContent Plugin
allTemporarily deactivate the vulnerable plugin until patched.
wp plugin deactivate private-content
Web Application Firewall Rule
allBlock exploitation attempts with WAF rules targeting PrivateContent endpoints.
🧯 If You Can't Patch
- Implement strict network access controls to limit access to WordPress admin interface.
- Enable comprehensive logging and monitoring for authentication bypass attempts.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > PrivateContent version. If version is 8.11.5 or lower, you are vulnerable.Check Version:
wp plugin get private-content --field=versionVerify Fix Applied:
Confirm PrivateContent plugin version is 8.11.6 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual authentication attempts to PrivateContent endpoints
- Multiple failed login attempts followed by successful access from same IP
Network Indicators:
- HTTP requests to /wp-content/plugins/private-content/ with unusual parameters
- Unauthenticated requests accessing protected content
SIEM Query:
source="wordpress.log" AND "private-content" AND ("authentication" OR "bypass")