---
id: CVE-2026-88849
title: >-
  MasterStudy LMS 3.7.13 - 3.7.54 - Instructor+ Arbitrary User Display Name
  Update via Student Enrollment
summary: >-
  The MasterStudy LMS WordPress Plugin  WordPress plugin before 3.7.55 does not
  verify that a user targeted through its student-enrolment feature has any
  relationship to the requesting instructor, allowing users with the Instructor
  role to…
severity: none
cwe:
  - CWE-863
product: MasterStudy LMS WordPress Plugin
affected:
  - masterstudy_lms_wordpress_plugin >= 3.7.13 < 3.7.55
published: '2026-10-22'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T06:00:18.654Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-88849'
references:
  - url: 'https://wpscan.com/vulnerability/fa3df78f-d12f-4f10-8ed4-5e295123141b/'
tags:
  - cve.org
ingestedAt: '2026-10-22T06:30:48.515Z'
---

## Overview

The MasterStudy LMS WordPress Plugin  WordPress plugin before 3.7.55 does not verify that a user targeted through its student-enrolment feature has any relationship to the requesting instructor, allowing users with the Instructor role to overwrite the first name, last name and public display name of any registered user on the site, including administrators, enabling impersonation and phishing.

## Affected

- `masterstudy_lms_wordpress_plugin >= 3.7.13 < 3.7.55`

## Remediation

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