CVE-2025-28938
📋 TL;DR
This CVE describes a missing authorization vulnerability in the WP Performance Pack WordPress plugin that allows attackers to exploit incorrectly configured access control security levels. Attackers could potentially access functionality they shouldn't have permission to use. This affects all WordPress sites running WP Performance Pack versions up to and including 2.5.3.
💻 Affected Systems
- WP Performance Pack 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 plugin settings, potentially disabling security features, altering performance configurations, or accessing administrative functionality without proper authorization.
Likely Case
Unauthorized users could access plugin settings pages or functionality intended only for administrators, potentially disrupting site performance or security configurations.
If Mitigated
With proper access controls and authentication requirements, the vulnerability would be prevented from being exploited.
🎯 Exploit Status
Exploitation requires some level of access to the WordPress site, but specific authorization checks are missing for certain functionality.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.5.4 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WP Performance Pack and click 'Update Now' if available. 4. Alternatively, download version 2.5.4+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Disable WP Performance Pack Plugin
allTemporarily deactivate the vulnerable plugin until patched version can be installed.
wp plugin deactivate wp-performance-pack
🧯 If You Can't Patch
- Implement strict access controls at the web server level to restrict access to plugin functionality
- Monitor for unauthorized access attempts to plugin endpoints and review user activity logs
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for WP Performance Pack version numberCheck Version:
wp plugin get wp-performance-pack --field=versionVerify Fix Applied:
Verify WP Performance Pack version is 2.5.4 or higher in WordPress admin plugins page📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to WP Performance Pack endpoints
- Unexpected modifications to plugin settings by non-admin users
Network Indicators:
- HTTP requests to /wp-content/plugins/wp-performance-pack/ endpoints from unauthorized IPs
SIEM Query:
source="wordpress" AND (uri_path="/wp-content/plugins/wp-performance-pack/" OR plugin="wp-performance-pack") AND user_role!="administrator"