CVE-2026-73404 MEDIUM

CVE-2026-73404: WordPress MasterStudy LMS plugin <= 3.7.41 - Broken Access Control vulnerability

Vendor Stylemix
Product MasterStudy LMS
Weakness CWE-862 · Missing authorization
Published August 18, 2026
Last update August 18, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Subscriber Broken Access Control in MasterStudy LMS <= 3.7.41 versions.

Explanation of Vulnerability in Simple Terms

02Summary

MasterStudy LMS versions up to 3.7.41 contain an authorization bypass that allows authenticated users to read sensitive data they should not have access to. An attacker with a low-privilege account can retrieve confidential information without additional interaction. The vulnerability stems from missing access control checks on data retrieval functions.

What an attacker can do

03Attacker Capabilities

Read sensitive data belonging to other users or restricted areas of the LMS.

Potential impact on your site

04Site Impact

Student or instructor accounts can access confidential course data, grades, or user information they shouldn't see.

Conditions required to exploit

05Prerequisites

Attacker must have a valid low-privilege account on the site.

Key dates

06Disclosure timeline

August 18, 2026 CVE published
August 18, 2026 Record updated

Related vulnerabilities

08Related CVE