MasterStudy LMS WordPress Plugin – for Online Courses and Education <= 3.7.6 Missing Authorization to Authenticated (Subscriber+) Posts and Media Creation, Modification and Deletion

2026-01-05 19:29

thinnawarth mathuros

Strategic Overview

Status

Patched in 3.7.7

Affected PluginMasterStudy LMS WordPress Plugin – for Online Courses and Education

Affected Version<= 3.7.6

CVSS5.4Medium

CVECVE-2025-13766

View all MasterStudy LMS WordPress Plugin – for Online Courses and Education vulnerabilities

Vulnerability Overview

The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to unauthorized modification and deletion of data due to a missing capability checks on multiple REST API endpoints in all versions up to, and including, 3.7.6. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload or delete arbitrary media files, delete or modify posts, and create/manage course templates

Technical Analysis

REMEDIATION: Update to version 3.7.7, or a newer patched version --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

https://www.cve.org/CVERecord?id=CVE-2025-13766 https://www.wordfence.com/threat-intel/vulnerabilities/id/2719739a-90dc-470b-9270-8578e0cead59

CVSS Vector

5.4

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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