CVE-2025-2266: Mestresdowp Checkout Mestres Do Wp For Woocommerce

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

The Checkout Mestres do WP for WooCommerce plugin for WordPress is vulnerable to unauthorized modification of data that can lead to privilege escalation due to a missing capability check on the cwmpUpdateOptions() function in versions 8.6.5 to 8.7.5. This makes it possible for unauthenticated attackers to update arbitrary options on the WordPress site. This can be leveraged to update the default role for registration to administrator and enable user registration for attackers to gain administrative user access to a vulnerable site.

Affected products

• Mestresdowp Checkout Mestres Do Wp For Woocommerce: from 8.6.5, up to and including 8.7.5

Published 2025-03-29. Last modified 2026-06-17.