Unauthorized Data Deletion in Masteriyo LMS Plugin for WordPress
CVE-2026-8279

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Masteriyo Lms – Lms Course Builder, Quizzes & Certificates
Vendor
CVE Published:
7 September 2026

What is CVE-2026-8279?

The Masteriyo LMS plugin for WordPress has a security flaw allowing unauthorized data deletion due to an absence of proper capability checks in its CourseProgressItemsController. As a result, unauthenticated attackers can exploit this vulnerability to delete course progress records for any student. All versions up to and including 2.2.0 are affected, posing a significant risk to user data integrity.

Affected Version(s)

Masteriyo LMS – LMS Course Builder, Quizzes & Certificates 0 <= 2.2.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/learning-manag...
https://plugins.trac.wordpress.org/browser/learning-manag...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jamshed Yergashvoyev (CVE Guy)
.