CVE-2025-64366 HIGH

CVE-2025-64366: WordPress MasterStudy LMS plugin <= 3.6.27 - SQL Injection vulnerability

Vendor Stylemix
Product MasterStudy LMS
Weakness CWE-89 · SQLi
Published October 31, 2025
Last update April 28, 2026

CVSS base score

7.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Stylemix MasterStudy LMS masterstudy-lms-learning-management-system allows Blind SQL Injection.This issue affects MasterStudy LMS: from n/a through <= 3.6.27.

Explanation of Vulnerability in Simple Terms

02Summary

MasterStudy LMS versions up to 3.6.27 contain a SQL injection vulnerability in a high-privilege function. An authenticated administrator can craft malicious input to extract or modify database records. The vulnerability requires admin-level access and does not affect data integrity directly, but allows unauthorized data disclosure and partial service disruption.

What an attacker can do

03Attacker Capabilities

Read sensitive data from the site database or cause temporary service degradation.

Potential impact on your site

04Site Impact

An admin account compromise could expose student records, course data, and other sensitive information stored in your database.

Conditions required to exploit

05Prerequisites

Attacker must have administrator-level access to the LMS.

Key dates

06Disclosure timeline

October 31, 2025 CVE published
April 28, 2026 Record updated