CVE-2025-52791
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in the devfelixmoira Knowledge Base Maker WordPress plugin allows attackers to perform stored cross-site scripting (XSS) attacks. This affects WordPress sites using the plugin version 1.1.8 and earlier. Attackers can trick authenticated administrators into executing malicious actions that inject persistent scripts.
💻 Affected Systems
- devfelixmoira Knowledge Base Maker 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 inject malicious JavaScript that steals administrator credentials, redirects users to malicious sites, or takes full control of the WordPress site when administrators view affected pages.
Likely Case
Attackers create fake forms or links that trick logged-in administrators into unknowingly submitting requests that inject malicious scripts into the knowledge base content, affecting all users who view that content.
If Mitigated
With proper CSRF tokens and input validation, the vulnerability would be prevented as legitimate requests would be authenticated and malicious scripts would be sanitized before storage.
🎯 Exploit Status
Exploitation requires social engineering to trick an authenticated administrator, but the technical complexity is low once the administrator is targeted.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.9 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Knowledge Base Maker' plugin. 4. Click 'Update Now' if available. 5. Alternatively, download version 1.1.9+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable plugin temporarily
allDeactivate the vulnerable plugin until patched
wp plugin deactivate knowledge-base-maker
Implement CSRF protection middleware
allAdd custom WordPress filters to validate nonce tokens on plugin requests
Add wp_verify_nonce() checks in custom plugin or theme functions
🧯 If You Can't Patch
- Restrict plugin access to trusted administrators only and implement strict user education about suspicious links
- Deploy web application firewall (WAF) rules to detect and block CSRF attempts targeting the plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Knowledge Base Maker version. If version is 1.1.8 or lower, you are vulnerable.
Check Version:
wp plugin get knowledge-base-maker --field=version
Verify Fix Applied:
After update, verify plugin version shows 1.1.9 or higher in WordPress admin plugins list.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with plugin-specific actions
- Multiple failed nonce verification attempts in WordPress debug logs
Network Indicators:
- HTTP requests containing 'knowledge-base-maker' parameters without proper referrer headers or nonce tokens
SIEM Query:
source="wordpress.log" AND ("admin-ajax.php" AND "action=kb_maker" OR "knowledge-base-maker")