CVE-2025-53343
📋 TL;DR
CVE-2025-53343 is a missing authorization vulnerability in the GoodLayers Modernize WordPress theme that allows attackers to bypass access controls and potentially access restricted functionality. This affects all installations using Modernize theme versions up to 3.4.0. WordPress administrators using vulnerable versions are at risk of unauthorized access to administrative features.
💻 Affected Systems
- GoodLayers Modernize WordPress Theme
⚠️ 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 site content, install malicious plugins/themes, or access sensitive user data.
Likely Case
Unauthorized users accessing administrative functions they shouldn't have permission to use, potentially modifying theme settings or viewing restricted content.
If Mitigated
With proper access controls and authentication mechanisms, impact is limited to attempted unauthorized access that gets blocked.
🎯 Exploit Status
Exploitation requires understanding of WordPress theme structure and access control mechanisms. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 3.4.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Check for Modernize theme updates. 4. Update to version 3.4.1 or later. 5. Clear any caching plugins if used.
🔧 Temporary Workarounds
Disable Modernize Theme
WordPressSwitch to a different WordPress theme temporarily until patched
wp theme activate twentytwentyfour
Restrict Admin Access
ApacheImplement IP-based restrictions for WordPress admin area
Add to .htaccess: Order Deny,Allow\nDeny from all\nAllow from 192.168.1.0/24
🧯 If You Can't Patch
- Implement strict access controls using WordPress security plugins like Wordfence or iThemes Security
- Enable two-factor authentication for all administrative accounts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Appearance > Themes > Modernize theme details for version numberCheck Version:
wp theme list --name=modernize --field=versionVerify Fix Applied:
Verify Modernize theme version is 3.4.1 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to admin-ajax.php or theme-specific endpoints
- Multiple failed authentication attempts followed by successful admin actions
Network Indicators:
- Unusual POST requests to theme-specific admin endpoints from unauthorized IPs
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" OR uri_path CONTAINS "modernize") AND response_code=200 AND user_agent NOT IN allowed_admin_agents