CVE-2025-13766

MEDIUM

MasterStudy LMS WordPress Plugin - Unauthorized Data Modification

Title source: llm

Description

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

References (2)

Core 2

Core References

Product

https://plugins.trac.wordpress.org/changeset/3422825/

Third Party Advisory

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

Scores

CVSS v3 5.4

EPSS 0.0015

EPSS Percentile 4.2%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-862

Status published

Products (1)

stylemix/MasterStudy LMS WordPress Plugin – for Online Courses and Education < 3.7.6

Published Jan 06, 2026

Tracked Since Feb 18, 2026