CVE-2025-66108
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the TNC Toolbox: Web Performance WordPress plugin that allows attackers to exploit incorrectly configured access control security levels. The vulnerability affects all versions up to and including 2.0.4, potentially allowing unauthorized access to functionality that should be restricted.
💻 Affected Systems
- TNC Toolbox: Web Performance 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 gain administrative privileges, modify plugin settings, or access sensitive functionality intended only for authorized users.
Likely Case
Unauthorized users could modify web performance settings, potentially degrading site performance or enabling/disabling features without permission.
If Mitigated
With proper access controls, only authorized administrators can access plugin functionality, preventing unauthorized changes.
🎯 Exploit Status
Exploitation requires understanding of WordPress plugin structure and access control mechanisms.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 2.0.4
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins > Installed Plugins
3. Find 'TNC Toolbox: Web Performance'
4. Click 'Update Now' if available
5. If no update available, deactivate and delete the plugin
6. Install the latest version from WordPress repository
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily deactivate the TNC Toolbox plugin until patched version is available
wp plugin deactivate tnc-toolbox
Restrict plugin access via .htaccess
linuxAdd access restrictions to plugin directories
# Add to .htaccess in wp-content/plugins/tnc-toolbox/
Order Deny,Allow
Deny from all
🧯 If You Can't Patch
- Implement strict network access controls to limit who can access the WordPress admin interface
- Enable detailed logging and monitoring for unauthorized access attempts to plugin functionality
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > TNC Toolbox: Web Performance version numberCheck Version:
wp plugin get tnc-toolbox --field=versionVerify Fix Applied:
Verify plugin version is greater than 2.0.4 and test access controls for restricted functionality📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to tnc-toolbox plugin endpoints
- User role escalation attempts
- Changes to plugin settings from non-admin users
Network Indicators:
- Unusual requests to /wp-content/plugins/tnc-toolbox/ endpoints
- POST requests to plugin admin functions from unauthorized IPs
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" AND plugin="tnc-toolbox") AND user_role!="administrator"