CVE-2025-66075
📋 TL;DR
This vulnerability allows attackers to bypass authorization controls in the WP Cookie Notice plugin for WordPress, potentially accessing administrative functions without proper permissions. It affects all WordPress sites running the plugin version 4.0.3 or earlier. The issue stems from missing access control checks on certain plugin endpoints.
💻 Affected Systems
- WP Cookie Notice for GDPR, CCPA & ePrivacy Consent (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 cookie consent settings, inject malicious scripts, or potentially escalate privileges to gain administrative control of the WordPress site.
Likely Case
Unauthorized users could modify cookie banner settings, change consent configurations, or access plugin administrative functions they shouldn't have access to.
If Mitigated
With proper network segmentation and web application firewalls, impact would be limited to unauthorized configuration changes within the plugin's scope.
🎯 Exploit Status
Exploitation requires some level of access to the WordPress site, but the vulnerability bypasses authorization checks for authenticated users.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.0.4 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'WP Cookie Notice for GDPR, CCPA & ePrivacy Consent'. 4. Click 'Update Now' if available, or manually update to version 4.0.4+. 5. Verify the plugin version after update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the plugin until patched version is available
wp plugin deactivate gdpr-cookie-consent
Restrict plugin access via .htaccess
linuxAdd access restrictions to plugin directories
# Add to .htaccess in wp-content/plugins/gdpr-cookie-consent/
Order Deny,Allow
Deny from all
<Files "*.php">
Allow from localhost
</Files>
🧯 If You Can't Patch
- Implement strict role-based access controls and monitor for unauthorized configuration changes
- Deploy web application firewall rules to block suspicious requests to plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins, find 'WP Cookie Notice for GDPR, CCPA & ePrivacy Consent' and check if version is 4.0.3 or lowerCheck Version:
wp plugin get gdpr-cookie-consent --field=versionVerify Fix Applied:
Verify plugin version shows 4.0.4 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unauthorized POST requests to /wp-admin/admin-ajax.php with gdpr-cookie-consent action parameters
- Multiple failed authorization attempts followed by successful plugin configuration changes
Network Indicators:
- Unusual traffic patterns to plugin-specific endpoints from unauthorized user roles
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" AND parameters CONTAINS "gdpr-cookie-consent") AND user_role!="administrator"