CVE-2024-52416
📋 TL;DR
This critical vulnerability in the WordPress Debug Tool plugin allows attackers to upload malicious web shell files to web servers without proper authorization. It affects all WordPress sites running Debug Tool plugin versions up to 2.2, enabling remote code execution.
💻 Affected Systems
- WordPress Debug Tool 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 allowing attackers to execute arbitrary code, steal data, install backdoors, and pivot to other systems on the network.
Likely Case
Attackers upload web shells to gain persistent access, deface websites, install malware, or use the server for malicious activities like cryptocurrency mining or DDoS attacks.
If Mitigated
With proper web application firewalls and file upload restrictions, exploitation attempts would be blocked, though the vulnerability remains present.
🎯 Exploit Status
The vulnerability allows unauthenticated file uploads, making exploitation trivial. Public exploit details are available in security advisories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.3 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/debug-tool/wordpress-debug-tool-plugin-2-2-remote-code-execution-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Debug Tool plugin. 4. Click 'Update Now' if available. 5. Alternatively, download version 2.3+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Debug Tool Plugin
allTemporarily deactivate the vulnerable plugin until patching is possible
wp plugin deactivate debug-tool
Restrict File Uploads via .htaccess
linuxBlock PHP file uploads in WordPress upload directories
<FilesMatch "\.(php|php5|php7|phtml|phar)$">
Order Allow,Deny
Deny from all
</FilesMatch>
🧯 If You Can't Patch
- Immediately disable or remove the Debug Tool plugin from all WordPress installations
- Implement web application firewall rules to block file upload attempts to Debug Tool endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for Debug Tool version. If version is 2.2 or earlier, you are vulnerable.Check Version:
wp plugin get debug-tool --field=versionVerify Fix Applied:
Verify Debug Tool plugin version is 2.3 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- POST requests to /wp-content/plugins/debug-tool/ upload endpoints
- Unusual file uploads to WordPress directories
- PHP web shell files in uploads folder
Network Indicators:
- HTTP requests with file uploads to Debug Tool plugin paths
- Unusual outbound connections from web server after file uploads
SIEM Query:
source="web_server" AND (uri_path="/wp-content/plugins/debug-tool/*" AND method="POST")