CVE-2026-8279Masteriyo LMS <= 2.2.0 - Missing Authorization to Unauthenticated Arbitrary Course Progress Deletion
Updated under an hour ago ()
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It affects Masteriyo LMS – LMS Course Builder, Quizzes & Certificates. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weakness (CWE)
- CWE-862
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Wordfence
- NVD analysis
- Deferred
- Record last updated
- Sep 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
masteriyo Masteriyo LMS – LMS Course Builder, Quizzes & Certificates masteriyo:lms_lms_course_builder_quizzes_and_certificates (from the name) | through 2.2.0 | CNA record |
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/d317d40b-2b99-408b-b445-1a789df3c958?source=cve
- https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.9/includes/RestApi/Controllers/Version1/CourseProgressItemsController.php#L805
- https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.9/includes/RestApi/Controllers/Version1/CourseProgressItemsController.php#L124
- https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.9/includes/Repository/CourseProgressItemRepository.php#L269
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.