CVE-2025-64214 HIGH

CVE-2025-64214: WordPress MasterStudy LMS Pro plugin < 4.7.16 - Arbitrary Content Deletion vulnerability

Vendor Stylemixthemes
Product MasterStudy LMS Pro
Weakness CWE-862 · Missing authorization
Published December 18, 2025
Last update April 28, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in StylemixThemes MasterStudy LMS Pro masterstudy-lms-learning-management-system-pro allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects MasterStudy LMS Pro: from n/a through < 4.7.16.

Explanation of Vulnerability in Simple Terms

02Summary

MasterStudy LMS Pro versions up to 4.7.16 lack proper authorization checks, allowing unauthenticated attackers to disrupt the service. The vulnerability does not expose data or allow modification, but an attacker can make the site unavailable to legitimate users without needing credentials or user interaction.

What an attacker can do

03Attacker Capabilities

Make the site unavailable to legitimate users without authentication.

Potential impact on your site

04Site Impact

Your LMS site can be taken offline by an unauthenticated attacker, disrupting access for students and instructors.

Conditions required to exploit

05Prerequisites

Network access only; no credentials or user interaction required.

Key dates

06Disclosure timeline

December 18, 2025 CVE published
April 28, 2026 Record updated