Auth bypass in Masteriyo Lms – Online Course Builder For Elearning, & Education
CVE-2026-5167
The Masteriyo LMS – Online Course Builder for eLearning, LMS & Education plugin for WordPress is vulnerable to Authorization Bypass Through User-Controlled Key in versions up to and including 2.1.7. This is due to insufficient webhook sign…
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.000 (8.1th percentile) — read the EPSS interpretation.
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
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/b6d51dc3-b695-4e9d-b25a-d1b30…
- plugins.trac.wordpress.org/browser/learning-management-system/trunk/addons/stri…
- plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.4/addons…
- plugins.trac.wordpress.org/browser/learning-management-system/trunk/addons/stri…
- plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.4/addons…
- plugins.trac.wordpress.org/changeset/3499458/learning-management-system/trunk/a…
Frequently asked questions
- What is CVE-2026-5167?
- CVE-2026-5167 is a medium-severity vulnerability in Masteriyo Lms – Online Course Builder For Elearning, & Education, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-04-08.
- How severe is CVE-2026-5167?
- Medium severity. CVSS v3 base score is 5.3 out of 10.