CVE-2026-73404
Received Received - Intake

Subscriber Broken Access Control in MasterStudy LMS

Vulnerability report for CVE-2026-73404, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-18

Last updated on: 2026-08-18

Assigner: Patchstack

Description

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

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published
2026-08-18
Last Modified
2026-08-18
Generated
2026-08-18
AI Q&A
2026-08-18
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
masterstudy lms to 3.7.41 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

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Executive Summary

This is a Subscriber Broken Access Control vulnerability in the MasterStudy LMS plugin versions up to and including 3.7.41. It allows unauthorized users with subscriber-level access to view sensitive information they should not have permission to see.

Impact Analysis

If exploited, this vulnerability could allow attackers to access confidential data stored in the LMS, such as user information, course materials, or other sensitive content, potentially leading to data breaches or privacy violations.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR, HIPAA, or other privacy regulations by exposing protected health information, personal data, or other sensitive information without proper authorization.

Mitigation Strategies

Update MasterStudy LMS to the latest version beyond 3.7.41 to address the broken access control vulnerability.

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EPSS Chart