CVE-2025-66134
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the FileBird Pro WordPress plugin that allows attackers to bypass access controls. Attackers could potentially access or manipulate files they shouldn't have permission to view. This affects all WordPress sites running vulnerable versions of FileBird Pro.
💻 Affected Systems
- FileBird Pro 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
Unauthorized users could access sensitive files, upload malicious content, delete critical files, or compromise the entire WordPress installation.
Likely Case
Attackers could view or download files they shouldn't have access to, potentially exposing sensitive information or media files.
If Mitigated
With proper access controls and authentication mechanisms in place, only authorized users can access files as intended.
🎯 Exploit Status
Exploitation requires some WordPress access but doesn't need admin privileges. Attackers need to understand WordPress file structure.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.5.0 and later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Go to Plugins > Installed Plugins. 3. Find FileBird Pro and click 'Update Now'. 4. Alternatively, download version 6.5.0+ from the vendor and upload via FTP.
🔧 Temporary Workarounds
Disable FileBird Pro Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate filebird-pro
Restrict File Access via .htaccess
linuxAdd access restrictions to FileBird upload directories
Order Deny,Allow
Deny from all
Allow from 127.0.0.1
🧯 If You Can't Patch
- Implement strict file permission controls on the server
- Use web application firewall rules to block suspicious file access patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > FileBird Pro version numberCheck Version:
wp plugin get filebird-pro --field=versionVerify Fix Applied:
Verify FileBird Pro version is 6.5.0 or higher in WordPress plugins list📡 Detection & Monitoring
Log Indicators:
- Unusual file access patterns in WordPress logs
- Multiple failed authorization attempts for file operations
- Access to FileBird Pro endpoints from unauthorized users
Network Indicators:
- HTTP requests to /wp-content/plugins/filebird-pro/ endpoints without proper authentication
- Unusual file upload/download patterns
SIEM Query:
source="wordpress.log" AND ("filebird" OR "filebird-pro") AND ("unauthorized" OR "access denied" OR "permission denied")