CVE-2026-24525
📋 TL;DR
This vulnerability allows unauthorized users to exploit incorrectly configured access control in CloudPanel CLP Varnish Cache, potentially accessing restricted functionality. It affects all WordPress installations using the clp-varnish-cache plugin version 1.0.2 and earlier.
💻 Affected Systems
- CloudPanel CLP Varnish Cache 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 modify Varnish cache settings, disrupt caching functionality, or potentially chain with other vulnerabilities for further system compromise.
Likely Case
Unauthorized users can access administrative cache management functions they shouldn't have permission to use, potentially affecting site performance.
If Mitigated
With proper authorization controls, only authenticated administrators can access cache management functions as intended.
🎯 Exploit Status
The vulnerability involves missing authorization checks, making exploitation straightforward once the vulnerable endpoint is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find 'CLP Varnish Cache'. 4. Click 'Update Now' if available. 5. Alternatively, download version 1.0.3+ from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate clp-varnish-cache
Restrict Access via Web Server
linuxBlock access to plugin admin endpoints using web server configuration
# Apache: Add to .htaccess
<Files "clp-varnish-cache-admin.php">
Require all denied
</Files>
# Nginx: Add to server block
location ~* /wp-content/plugins/clp-varnish-cache/.*\.php$ {
deny all;
}
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the WordPress admin interface
- Deploy a web application firewall (WAF) with rules to detect and block unauthorized access attempts to plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress plugin version: wp plugin get clp-varnish-cache --field=versionCheck Version:
wp plugin get clp-varnish-cache --field=versionVerify Fix Applied:
Verify plugin version is 1.0.3 or higher: wp plugin get clp-varnish-cache --field=version📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to /wp-admin/admin.php?page=clp-varnish-cache or similar plugin admin URLs
- 403 Forbidden errors followed by successful 200 responses to plugin endpoints
Network Indicators:
- Unusual traffic patterns to WordPress plugin admin endpoints from unauthenticated sources
SIEM Query:
source="wordpress.log" AND (uri="/wp-admin/admin.php?page=clp-varnish-cache" OR uri CONTAINS "clp-varnish-cache") AND response_code=200 AND user="-"