Masteriyo LMS <= 2.2.0 - Missing Authorization to Unauthenticated Arbitrary Course Progress Deletion
Priority LOW 30CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00403 34th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-8279
- 2026-10-03 Alias added: GHSA-jv59-f2rj-m7r3
References
Other 4
- 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
More masteriyo vulnerabilities
- TI-2024-16396 WordPress LMS by Masteriyo plugin <= 1.7.2 - Privilege Escalation vulnerability CVSS 3.1CRITICAL 9.8
- TI-2026-03894 Masteriyo LMS <= 2.1.6 - Missing Authorization to Authenticated (Student+) Privilege Escalation to Administrator CVSS 3.1HIGH 8.8
- TI-2026-44383 WordPress Masteriyo - LMS plugin <= 3.4.0 - PHP Object Injection vulnerability CVSS 3.1HIGH 8.8
- TI-2024-09288 Missing authorization in Masteriyo LMS – Online Course Builder for eLearning, LMS &… CVSS 3.1HIGH 8.8
- TI-2024-28829 WordPress Masteriyo LMS plugin <= 1.11.4 - Broken Access Control vulnerability CVSS 3.1HIGH 7.5
- TI-2024-28892 WordPress Masteriyo LMS plugin <= 1.11.4 - Insecure Direct Object Reference (IDOR) vulnerability CVSS 3.1HIGH 8.1
Sources
- CVE-2026-8279 · CVE Program
- CVE-2026-8279 · NVD
- FIRST EPSS
- GHSA-jv59-f2rj-m7r3 · GitHub Advisory Database · CC BY 4.0
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