CVE-2024-56249
📋 TL;DR
This vulnerability allows attackers to upload arbitrary files, including web shells, to WordPress sites using the WPMasterToolKit plugin. Attackers can gain full control of affected web servers. All WordPress installations with WPMasterToolkit versions up to 1.13.1 are vulnerable.
💻 Affected Systems
- Webdeclic WPMasterToolKit 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 leading to data theft, ransomware deployment, or use as part of a botnet.
Likely Case
Web shell upload enabling persistent backdoor access, data exfiltration, and further lateral movement.
If Mitigated
File uploads blocked or properly validated, preventing malicious file execution.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.13.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WPMasterToolKit and update to version 1.13.2 or later. 4. Verify update completes successfully.
🔧 Temporary Workarounds
Disable WPMasterToolKit Plugin
allTemporarily deactivate the vulnerable plugin until patching is possible.
wp plugin deactivate wpmastertoolkit
Restrict File Uploads via Web Server
linuxConfigure web server to block uploads of executable file types to the plugin's upload directory.
# In Apache .htaccess: <FilesMatch "\.(php|phtml|php3|php4|php5|pl|py|jsp|asp|sh|cgi)$">
Order allow,deny
Deny from all
</FilesMatch>
🧯 If You Can't Patch
- Remove WPMasterToolKit plugin completely from the WordPress installation.
- Implement strict file upload validation at the application level and monitor upload directories for suspicious files.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for WPMasterToolKit version 1.13.1 or earlier.
Check Version:
wp plugin get wpmastertoolkit --field=version
Verify Fix Applied:
Confirm WPMasterToolKit version is 1.13.2 or later in WordPress admin plugins list.
📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to wp-content/uploads/wpmastertoolkit/ directory
- POST requests to plugin-specific upload endpoints with executable file extensions
Network Indicators:
- HTTP POST requests with file uploads to WPMasterToolKit endpoints
- Unexpected outbound connections from web server post-upload
SIEM Query:
source="web_server" AND (uri_path="/wp-content/plugins/wpmastertoolkit/*" AND method="POST" AND file_extension IN ("php", "phtml", "jsp", "asp"))