CVE-2025-64366: stylemix masterstudy lms SQL Injection

Vulnerability summary

CVE-2025-64366 is a high (CVSS 7.6) SQL Injection vulnerability in stylemix masterstudy lms. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19% of scored vulnerabilities. Fixed in 3.6.28.

Timeline

1. 31-10-2025
   PublishedVulnerability first disclosed.
2. 28-04-2026
   Last modifiedVulnerability information updated.

Description

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.

• CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.