CVE-2025-69099
📋 TL;DR
This vulnerability allows attackers to execute arbitrary code through PHP object injection by exploiting insecure deserialization in the North WordPress theme. It affects all WordPress sites using North theme versions up to and including 5.7.5. Successful exploitation could lead to complete site compromise.
💻 Affected Systems
- fuelthemes North 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
Remote code execution leading to full server compromise, data theft, malware deployment, and complete site takeover.
Likely Case
Unauthenticated attackers gaining administrative access to WordPress, installing backdoors, defacing sites, or stealing sensitive data.
If Mitigated
Attack attempts logged but blocked by proper input validation and security controls.
🎯 Exploit Status
Public exploit details available on security research sites. WordPress themes are common targets for automated exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 5.7.6 or later
Vendor Advisory: https://patchstack.com/database/Wordpress/Theme/north-wp/vulnerability/wordpress-north-theme-5-7-5-php-object-injection-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Check for North theme updates. 4. Update to version 5.7.6 or later. 5. Clear any caching plugins. 6. Verify theme functionality.
🔧 Temporary Workarounds
Disable North Theme
allSwitch to a different WordPress theme until patch can be applied
wp theme activate twentytwentyfour --allow-root
Web Application Firewall Rule
allBlock deserialization attempts at WAF level
# Add rule to block PHP object injection patterns in theme-specific endpoints
🧯 If You Can't Patch
- Implement strict input validation and sanitization for all theme-related endpoints
- Deploy web application firewall with rules specifically blocking PHP object injection patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Appearance > Themes > North theme version. If version is 5.7.5 or lower, you are vulnerable.Check Version:
wp theme list --field=name,version --format=csv | grep northVerify Fix Applied:
Verify North theme version is 5.7.6 or higher in WordPress admin panel. Test theme functionality remains intact.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to theme-specific endpoints
- PHP unserialize() errors in web server logs
- Unexpected file uploads or modifications in wp-content/themes/north
Network Indicators:
- HTTP requests containing serialized PHP objects in POST data
- Traffic patterns targeting /wp-content/themes/north/ endpoints
SIEM Query:
source="web_logs" AND (uri="*north*" OR uri="*theme*" OR uri="*wp-content*" AND (method="POST" AND (data="*O:*" OR data="*C:*" OR data="*a:*")))