CVE-2026-8279: Masteriyo Lms – Lms Course Builder, Quizzes & Certificates

Medium severity, CVSS 5.3. EPSS: 0.4% chance of exploitation in the next 30 days.

The Masteriyo LMS plugin for WordPress is vulnerable to unauthorized data deletion due to a missing capability check on the 'delete_item_permissions_check' function in the CourseProgressItemsController in all versions up to, and including, 2.2.0. This makes it possible for unauthenticated attackers to delete arbitrary course progress records belonging to any student.

Affected products

• Masteriyo Masteriyo Lms – Lms Course Builder, Quizzes & Certificates: up to and including 2.2.0

Published 2026-09-07. Last modified 2026-09-08.