---
id: CVE-2026-88847
title: >-
  The MasterStudy LMS WordPress Plugin  WordPress plugin before 3.7.50 does not
  verify that a user is enrolled in a course before recording lesson completions
  against it, allowing any authenticated user, such as a subscriber, to create
  cou…
summary: >-
  The MasterStudy LMS WordPress Plugin  WordPress plugin before 3.7.50 does not
  verify that a user is enrolled in a course before recording lesson completions
  against it, allowing any authenticated user, such as a subscriber, to create
  cou…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-862
product: MasterStudy LMS WordPress Plugin
affected:
  - masterstudy_lms_wordpress_plugin < 3.7.50
published: '2026-09-24'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T14:42:02.707'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-88847'
references:
  - url: 'https://wpscan.com/vulnerability/c42e9b3a-5a0d-4e16-b18a-4184c09bcb5a/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-24T10:34:24.594406Z'
ingestedAt: '2026-09-24T06:39:26.614Z'
epss: 0.00132
epssPercentile: 0.02254
---

## Overview

The MasterStudy LMS WordPress Plugin  WordPress plugin before 3.7.50 does not verify that a user is enrolled in a course before recording lesson completions against it, allowing any authenticated user, such as a subscriber, to create course progress records for courses they have no access to.

## Remediation

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