CVE-2025-13329
📋 TL;DR
The File Uploader for WooCommerce WordPress plugin allows unauthenticated attackers to upload arbitrary files to the Uploadcare service, which can then be downloaded to the affected WordPress server. This vulnerability can lead to remote code execution on vulnerable WordPress sites. All WordPress sites using this plugin version 1.0.3 or earlier are affected.
💻 Affected Systems
- File Uploader for WooCommerce 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, deface websites, or use the server for further attacks.
Likely Case
Attackers upload web shells or malicious scripts to gain persistent access, deface websites, or install cryptocurrency miners.
If Mitigated
File uploads are blocked or properly validated, preventing malicious file execution while maintaining legitimate upload functionality.
🎯 Exploit Status
Exploitation is straightforward - attackers can directly call the vulnerable REST API endpoint without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.4 or later
Vendor Advisory: https://wordpress.org/plugins/file-uploader-for-woocommerce/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Go to Plugins → Installed Plugins. 3. Find 'File Uploader for WooCommerce'. 4. Click 'Update Now' if available, or download latest version from WordPress repository. 5. Activate updated plugin.
🔧 Temporary Workarounds
Disable vulnerable REST API endpoint
allBlock access to the vulnerable 'add-image-data' REST API endpoint using web application firewall or .htaccess rules
# Add to .htaccess:
RewriteCond %{REQUEST_URI} add-image-data [NC]
RewriteRule .* - [F,L]
Temporarily disable plugin
linuxDeactivate the File Uploader for WooCommerce plugin until patched
wp plugin deactivate file-uploader-for-woocommerce
🧯 If You Can't Patch
- Implement strict file upload validation at the web server level
- Restrict network access to the WordPress REST API endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → File Uploader for WooCommerce version. If version is 1.0.3 or earlier, you are vulnerable.Check Version:
wp plugin list --name='file-uploader-for-woocommerce' --field=versionVerify Fix Applied:
Verify plugin version is 1.0.4 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-json/ endpoints containing 'add-image-data'
- File uploads with unusual extensions (.php, .phtml, .jsp) to upload directories
- Increased outbound connections to Uploadcare CDN
Network Indicators:
- HTTP POST requests to /wp-json/file-uploader/v1/add-image-data from unauthenticated sources
- File downloads from Uploadcare CDN to server with suspicious filenames
SIEM Query:
source="web_logs" AND uri="/wp-json/file-uploader/v1/add-image-data" AND http_method="POST" AND user_agent NOT CONTAINS "WordPress"