---
id: CVE-2026-8279
title: >-
  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 includin…
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 includin…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-862
vendor: masteriyo
product: 'Masteriyo LMS – LMS Course Builder, Quizzes & Certificates'
affected:
  - lms_lms_course_builder_quizzes_certificates <= 2.2.0
published: '2026-09-07'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T15:18:56.237'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-8279'
references:
  - url: >-
      https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.9/includes/Repository/CourseProgressItemRepository.php#L269
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.9/includes/RestApi/Controllers/Version1/CourseProgressItemsController.php#L124
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/learning-management-system/tags/2.1.9/includes/RestApi/Controllers/Version1/CourseProgressItemsController.php#L805
    label: security@wordfence.com
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/d317d40b-2b99-408b-b445-1a789df3c958?source=cve
    label: security@wordfence.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-08T14:45:34.295690Z'
epss: 0.00403
epssPercentile: 0.31914
ingestedAt: '2026-09-08T15:33:26.977Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.