CVE-2023-23872
📋 TL;DR
This path traversal vulnerability in the German Mesky GMAce WordPress plugin allows attackers to download arbitrary files from the server by manipulating file paths. It affects all WordPress sites using GMAce plugin versions up to 1.5.2. Attackers can potentially access sensitive files like configuration files or user data.
💻 Affected Systems
- German Mesky GMAce 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 through access to sensitive configuration files (like wp-config.php containing database credentials), leading to data theft, site defacement, or further system exploitation.
Likely Case
Unauthorized access to sensitive files containing configuration data, user information, or other restricted content stored on the web server.
If Mitigated
Limited impact with proper file permissions and web server security configurations that restrict access to sensitive directories.
🎯 Exploit Status
Path traversal vulnerabilities are typically easy to exploit with publicly available tools and techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 1.5.3 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/gmace/wordpress-gmace-plugin-1-5-2-arbitrary-file-download-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find GMAce plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install fresh version 1.5.3+ from WordPress repository.
🔧 Temporary Workarounds
Disable GMAce Plugin
allTemporarily deactivate the vulnerable plugin until patched
wp plugin deactivate gmace
Web Server File Restriction
linuxConfigure web server to restrict access to sensitive directories
# Apache: Add to .htaccess
<FilesMatch "\.(php|inc|conf|sql|log|txt)$">
Order Allow,Deny
Deny from all
</FilesMatch>
# Nginx: Add to server block
location ~ /\.(php|inc|conf|sql|log|txt)$ {
deny all;
}
🧯 If You Can't Patch
- Deactivate and remove the GMAce plugin completely
- Implement web application firewall (WAF) rules to block path traversal patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for GMAce version. If version is 1.5.2 or lower, you are vulnerable.Check Version:
wp plugin list --name=gmace --field=versionVerify Fix Applied:
Verify GMAce plugin version is 1.5.3 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual file access patterns in web server logs
- Requests containing '../' sequences or attempts to access sensitive files like wp-config.php
Network Indicators:
- HTTP requests with path traversal sequences (../, ..\) in URL parameters
SIEM Query:
web_access_logs | where url contains "../" or url contains "..\" or url contains "wp-config.php" or url contains "config.php"