CVE-2025-13374
📋 TL;DR
The Kalrav AI Agent WordPress plugin allows unauthenticated attackers to upload arbitrary files due to missing file type validation. This vulnerability affects all versions up to 2.3.3 and can lead to remote code execution on vulnerable WordPress sites.
💻 Affected Systems
- Kalrav AI Agent 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
Complete server compromise via remote code execution, allowing attackers to install malware, steal data, or use the server for further attacks.
Likely Case
Attackers upload web shells or malicious scripts to gain persistent access and execute arbitrary commands on the server.
If Mitigated
File uploads are blocked or properly validated, preventing malicious file execution while maintaining plugin functionality.
🎯 Exploit Status
Multiple public proof-of-concept exploits exist, and the vulnerability is actively being exploited in the wild.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.3.4 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/kalrav-ai-agent/trunk/kalrav-ai-agent.php
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Kalrav AI Agent and click 'Update Now'. 4. Verify the plugin version is 2.3.4 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate kalrav-ai-agent
Block AJAX Endpoint
linuxBlock access to the vulnerable AJAX endpoint via web server configuration
# Apache: RewriteRule ^/wp-admin/admin-ajax\.php\?action=kalrav_upload_file - [F,L]
# Nginx: location ~* /wp-admin/admin-ajax\.php\?action=kalrav_upload_file { return 403; }
🧯 If You Can't Patch
- Remove the Kalrav AI Agent plugin completely from the WordPress installation
- Implement web application firewall rules to block file uploads to the kalrav_upload_file endpoint
🔍 How to Verify
Check if Vulnerable:
Check WordPress plugin version: Navigate to Plugins → Installed Plugins and verify Kalrav AI Agent version is 2.3.3 or lowerCheck Version:
wp plugin get kalrav-ai-agent --field=versionVerify Fix Applied:
Verify plugin version is 2.3.4 or higher in WordPress admin panel, or test the AJAX endpoint with a malicious file upload attempt📡 Detection & Monitoring
Log Indicators:
- POST requests to /wp-admin/admin-ajax.php with action=kalrav_upload_file
- File uploads with suspicious extensions (.php, .phtml, .phar) via the plugin endpoint
- Unusual file creation in WordPress uploads directory
Network Indicators:
- HTTP POST requests to WordPress AJAX endpoints with file uploads
- Traffic patterns showing file uploads from unauthenticated sources
SIEM Query:
source="web_server" AND (url="*/wp-admin/admin-ajax.php*action=kalrav_upload_file*" OR file_extension IN ("php", "phtml", "phar"))🔗 References
- https://github.com/d0n601/CVE-2025-13374
- https://plugins.trac.wordpress.org/browser/kalrav-ai-agent/tags/2.3.3/kalrav-ai-agent.php#L967
- https://plugins.trac.wordpress.org/browser/kalrav-ai-agent/trunk/kalrav-ai-agent.php#L967
- https://ryankozak.com/posts/cve-2025-13374
- https://www.wordfence.com/threat-intel/vulnerabilities/id/5dc8feae-fc89-4152-b9b2-2b70e6ccb30b?source=cve
