What is CVE-2026-8279?

CVE-2026-8279 is a medium-severity vulnerability in Masteriyo Lms – Course Builder, Quizzes & Certificates, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-09-07.

How severe is CVE-2026-8279?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Masteriyo Lms – Course Builder, Quizzes & Certificates

CVE-2026-8279

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.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Masteriyo Lms – Course Builder, Quizzes & Certificates

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2026-8279?: CVE-2026-8279 is a medium-severity vulnerability in Masteriyo Lms – Course Builder, Quizzes & Certificates, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-09-07.
How severe is CVE-2026-8279?: Medium severity. CVSS v3 base score is 5.3 out of 10.