CVE-2025-7822
📋 TL;DR
The WP Wallcreeper WordPress plugin has an authorization bypass vulnerability that allows authenticated users with Subscriber-level permissions or higher to enable or disable caching functionality. This affects all WordPress sites using WP Wallcreeper version 1.6.1 or earlier. Attackers can disrupt site performance by manipulating cache settings without proper authorization.
💻 Affected Systems
- WP Wallcreeper 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 disable caching on high-traffic sites, causing performance degradation and potential denial of service through resource exhaustion.
Likely Case
Malicious users disrupt site performance by toggling caching settings, leading to inconsistent user experience and increased server load.
If Mitigated
With proper access controls and monitoring, impact is limited to minor administrative inconvenience.
🎯 Exploit Status
Exploitation requires authenticated access with at least Subscriber privileges. Attack involves calling the vulnerable admin_notices hook function.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.6.2 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/wp-wallcreeper/trunk/wp-wallcreeper.php#L166
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WP Wallcreeper and click 'Update Now'. 4. Alternatively, download version 1.6.2+ from WordPress plugin repository and manually replace files.
🔧 Temporary Workarounds
Disable WP Wallcreeper Plugin
allTemporarily deactivate the vulnerable plugin until patched version is available
wp plugin deactivate wp-wallcreeper
Restrict User Registration
allPrevent new user accounts from being created to limit attack surface
Settings → General → Membership: Uncheck 'Anyone can register'
🧯 If You Can't Patch
- Remove Subscriber and higher role permissions from untrusted users
- Implement web application firewall rules to block suspicious admin_notices hook calls
🔍 How to Verify
Check if Vulnerable:
Check WP Wallcreeper plugin version in WordPress admin panel under Plugins → Installed PluginsCheck Version:
wp plugin get wp-wallcreeper --field=versionVerify Fix Applied:
Confirm WP Wallcreeper version is 1.6.2 or higher after update📡 Detection & Monitoring
Log Indicators:
- Unusual admin_notices hook calls from non-admin users
- Multiple cache setting changes from single user sessions
Network Indicators:
- POST requests to admin-ajax.php with cache-related actions from non-admin users
SIEM Query:
source="wordpress.log" AND "admin_notices" AND user_role!="administrator" AND "wp-wallcreeper"