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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-8279
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-07 13:20:43 UTC
Updated2026-09-08 15:18:56 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

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

Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Masteriyo Masteriyo LMS LMS Course Builder Quizzes Certificates affected 2.2.0 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.9/includes/RestAp... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/d317d40b-2b99-408b-b445-1a789... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.9/includes/RestAp... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.9/includes/Reposi... [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Jamshed Yergashvoyev (CVE Guy) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-05-11T05:12:50.000ZVendor Notified
CNA2026-09-06T00:00:00.000ZDisclosed

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