CVE-2025-11890

7.5 HIGH

📋 TL;DR

This vulnerability allows unauthenticated attackers to bypass payment verification in WooCommerce stores using the Crypto Payment Gateway with Payeer plugin. Attackers can mark unpaid orders as paid, causing revenue loss for affected e-commerce sites. All WordPress sites using this plugin up to version 1.0.3 are vulnerable.

💻 Affected Systems

Products:
  • Crypto Payment Gateway with Payeer for WooCommerce WordPress plugin
Versions: All versions up to and including 1.0.3
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Any WordPress site with WooCommerce and this payment gateway plugin enabled is vulnerable by default.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete revenue loss as attackers can mark all orders as paid without actual payment, potentially leading to significant financial damage and inventory depletion.

🟠

Likely Case

Attackers exploit the vulnerability to obtain products/services without payment, causing direct revenue loss and potential inventory issues.

🟢

If Mitigated

With proper monitoring and controls, unauthorized payment status changes can be detected and reversed before significant damage occurs.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The vulnerability is simple to exploit via HTTP requests to the callback endpoint without authentication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.0.4 or later

Vendor Advisory: https://wordpress.org/plugins/crypto-payment-gateway-with-payeer-for-woocommerce/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Crypto Payment Gateway with Payeer for WooCommerce'. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 1.0.4+ from WordPress.org and replace the plugin files.

🔧 Temporary Workarounds

Block vulnerable endpoint

linux

Temporarily block access to the vulnerable callback endpoint using web server configuration or firewall rules.

# For Apache: Add to .htaccess
RewriteEngine On
RewriteRule ^wc-api/bp-payeer-gateway-callback - [F,L]
# For Nginx: Add to server block
location ~ ^/wc-api/bp-payeer-gateway-callback { deny all; }

Disable plugin

all

Temporarily disable the vulnerable plugin until patched.

wp plugin deactivate crypto-payment-gateway-with-payeer-for-woocommerce

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block suspicious requests to the /wc-api/bp-payeer-gateway-callback endpoint
  • Enable detailed logging for all order status changes and implement real-time alerts for payment bypass attempts

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for 'Crypto Payment Gateway with Payeer for WooCommerce' version. If version is 1.0.3 or lower, you are vulnerable.

Check Version:

wp plugin list --name='crypto-payment-gateway-with-payeer-for-woocommerce' --field=version

Verify Fix Applied:

After updating, verify plugin version shows 1.0.4 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Multiple POST requests to /wc-api/bp-payeer-gateway-callback from same IP
  • Order status changes from 'pending' or 'on-hold' to 'processing' or 'completed' without corresponding payment transactions
  • Unusual order completion patterns outside business hours

Network Indicators:

  • HTTP POST requests to /wc-api/bp-payeer-gateway-callback endpoint with order manipulation parameters
  • Requests bypassing normal payment flow

SIEM Query:

source="web_server_logs" AND (uri_path="/wc-api/bp-payeer-gateway-callback" AND http_method="POST") | stats count by src_ip, user_agent

🔗 References

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