CVE-2025-46524
📋 TL;DR
A Cross-Site Request Forgery (CSRF) vulnerability in the WP Filter Post Category WordPress plugin allows attackers to perform stored cross-site scripting (XSS) attacks. This affects WordPress sites using the vulnerable plugin version, potentially allowing attackers to inject malicious scripts that execute when other users view affected pages. Site administrators and users who interact with the plugin's functionality are at risk.
💻 Affected Systems
- WP Filter Post Category 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, takes over the WordPress site, defaces content, or redirects visitors to malicious sites.
Likely Case
Attackers create fake admin interfaces or inject ads/malware that affects site visitors, potentially compromising user sessions and site integrity.
If Mitigated
With proper CSRF protections and content security policies, the attack surface is reduced, though the vulnerability still exists in the codebase.
🎯 Exploit Status
CSRF to stored XSS chain requires tricking authenticated users into visiting malicious pages, but exploitation is straightforward once the initial access is achieved.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.1.5 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'WP Filter Post Category'. 4. Click 'Update Now' if available. 5. Alternatively, download version 2.1.5+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily deactivate the vulnerable plugin until patched
wp plugin deactivate wp-filter-post-category
Implement CSRF Protection
allAdd WordPress nonce verification to plugin forms if custom patching
Add wp_nonce_field() and wp_verify_nonce() calls in plugin PHP files
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Use web application firewall (WAF) rules to block suspicious POST requests to plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for WP Filter Post Category versionCheck Version:
wp plugin get wp-filter-post-category --field=versionVerify Fix Applied:
Verify plugin version is 2.1.5 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php or plugin-specific endpoints
- Multiple failed nonce verification attempts
Network Indicators:
- Cross-origin requests to plugin endpoints without proper referrer headers
- Suspicious JavaScript payloads in POST data
SIEM Query:
source="wordpress" AND (uri_path="*wp-filter-post-category*" OR plugin="wp-filter-post-category") AND (status=200 OR method="POST")