CVE-2026-8279

MEDIUM 5.3

Masteriyo LMS <= 2.2.0 - Missing Authorization to Unauthenticated Arbitrary Course Progress Deletion

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-862
Vendor	masteriyo
Product	masteriyo lms – lms course builder, quizzes & certificates
Published	Sep 7, 2026
Last Updated	Sep 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

masteriyo / Masteriyo LMS – LMS Course Builder, Quizzes & Certificates

0 ≤ 2.2.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/d317d40b-2b99-408b-b445-1a789df3c958?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.9/includes/RestApi/Controllers/Version1/CourseProgressItemsController.php#L805 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.9/includes/RestApi/Controllers/Version1/CourseProgressItemsController.php#L124 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.9/includes/Repository/CourseProgressItemRepository.php#L269

Credits

Jamshed Yergashvoyev (CVE Guy)