Authorize.net Payment Gateway For WooCommerce <= 8.0 — Insufficient Verification of Data Authenticity to Unauthenticated Payment Bypass

Am I affected?

• Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Authorize.net Payment Gateway For WooCommerce.
• No admin access? Run a passive check of your site. It reads public files only.
• No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

1. No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
3. Watch Authorize.net Payment Gateway For WooCommerce to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Lucio Sá.

The Authorize.net Payment Gateway For WooCommerce plugin for WordPress is vulnerable to payment bypass in all versions up to, and including, 8.0. This is due to the plugin not properly verifying the authenticity of the request that updates a orders payment status. This makes it possible for unauthenticated attackers to update order payment statuses to paid bypassing any payment.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

• Advisorywordfence.com

Timeline

1. Jun 3, 2024

   CVE published

   Severity medium, CVSS 5.3

2. Nov 13, 2026

   Record last updated