Auth bypass in Mestresdowp Checkout Mestres Do Wp For Woocommerce
CVE-2025-2266
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.
Vulnerability class: Broken Access Control
EPSS: 0.007 (48.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Mestresdowp Checkout Mestres Do Wp For Woocommerce — versions 8.6.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-2266?
- CVE-2025-2266 is a critical-severity vulnerability in Mestresdowp Checkout Mestres Do Wp For Woocommerce, classified under Missing Authorization. CVSS score: 9.8/10. Published 2025-03-29.
- How severe is CVE-2025-2266?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-2266 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.