CVE-2025-12979
📋 TL;DR
The Welcart e-Commerce plugin for WordPress has an authentication bypass vulnerability that allows unauthenticated attackers to access sensitive payment credentials and store configuration data. This affects all WordPress sites using Welcart plugin versions up to 2.11.24. Attackers can steal PayPal API secrets, business contact details, and operational settings without any authentication.
💻 Affected Systems
- Welcart e-Commerce Plugin for WordPress
⚠️ 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 compromise of payment processing systems leading to financial fraud, data theft of customer information, and potential regulatory violations.
Likely Case
Theft of payment credentials leading to unauthorized transactions, exposure of business contact information, and potential email template manipulation.
If Mitigated
Limited exposure of non-sensitive configuration data if payment credentials are stored externally or encrypted at rest.
🎯 Exploit Status
Exploitation requires simple HTTP requests to the vulnerable endpoint. No authentication or special tools needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.11.25 or later
Vendor Advisory: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3394001%40usc-e-shop&new=3394001%40usc-e-shop&sfp_email=&sfph_mail=
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Welcart e-Commerce plugin. 4. Click 'Update Now' if available. 5. If no update shows, download version 2.11.25+ from WordPress.org and manually update.
🔧 Temporary Workarounds
Temporary Access Restriction
allBlock access to the vulnerable endpoint using web server rules or WAF
# Apache: RewriteRule ^/wp-admin/admin-ajax\.php\?action=usces_export - [F,L]
# Nginx: location ~* /wp-admin/admin-ajax\.php\?action=usces_export { return 403; }
🧯 If You Can't Patch
- Disable Welcart plugin immediately and use alternative e-commerce solution
- Implement strict network segmentation and WAF rules to block all access to /wp-admin/admin-ajax.php
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Welcart version. If version is 2.11.24 or lower, you are vulnerable.Check Version:
wp plugin list --name=usc-e-shop --field=versionVerify Fix Applied:
After updating, verify plugin version shows 2.11.25 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- HTTP GET requests to /wp-admin/admin-ajax.php with parameter action=usces_export from unauthenticated users
- Unusual access patterns to admin-ajax.php endpoint
Network Indicators:
- Unusual outbound connections to payment processor APIs from unexpected sources
- Data exfiltration patterns from WordPress admin endpoints
SIEM Query:
source="web_access_logs" AND uri_path="/wp-admin/admin-ajax.php" AND query_string="*action=usces_export*" AND user_agent!="*WordPress*"