CVE-2025-6439
📋 TL;DR
This vulnerability allows unauthenticated attackers to delete arbitrary files on WordPress servers running the vulnerable WooCommerce Designer Pro plugin. Attackers can delete all files in any directory, potentially causing complete site destruction, data loss, or enabling remote code execution. All WordPress sites using this plugin up to version 1.9.26 are affected.
💻 Affected Systems
- WooCommerce Designer Pro WordPress plugin
- Pricom - Printing Company & Design Services WordPress theme
⚠️ 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, total data loss, and permanent site destruction requiring full server restoration from backups.
Likely Case
Critical file deletion leading to site unavailability, data loss, and potential privilege escalation through deletion of security files.
If Mitigated
Limited impact if proper file permissions and web application firewalls block unauthorized file operations.
🎯 Exploit Status
Simple path traversal attack with no authentication required. Weaponization is likely due to high impact and ease of exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.9.27 or later
Vendor Advisory: https://codecanyon.net/item/woocommerce-designer-pro-cmyk-card-flyer/22027731
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WooCommerce Designer Pro. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 1.9.27+ from CodeCanyon and replace plugin files.
🔧 Temporary Workarounds
Disable vulnerable plugin
linuxTemporarily disable the WooCommerce Designer Pro plugin until patched
mv /path/to/wp-content/plugins/woocommerce-designer-pro /path/to/wp-content/plugins/woocommerce-designer-pro.disabled
Web Application Firewall rule
allBlock requests to the vulnerable AJAX endpoint
# Example .htaccess rule for Apache:
RewriteEngine On
RewriteCond %{REQUEST_URI} wcdp_save_canvas_design_ajax
RewriteRule ^ - [F]
🧯 If You Can't Patch
- Remove the WooCommerce Designer Pro plugin completely
- Implement strict file permissions (755 for directories, 644 for files) and disable PHP execution in upload directories
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for WooCommerce Designer Pro version ≤1.9.26Check Version:
grep -r "Version:" /path/to/wp-content/plugins/woocommerce-designer-pro/woocommerce-designer-pro.php | head -1Verify Fix Applied:
Confirm plugin version is 1.9.27 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- POST requests to /wp-admin/admin-ajax.php with action=wcdp_save_canvas_design_ajax containing file paths
- File deletion errors in web server logs
- 404 errors for critical system files
Network Indicators:
- Unusual POST requests to admin-ajax.php endpoint from unauthenticated users
- Traffic patterns showing file deletion attempts
SIEM Query:
source="web_server_logs" AND uri="/wp-admin/admin-ajax.php" AND method="POST" AND params.action="wcdp_save_canvas_design_ajax"