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Input validation vulnerability in MasterStudy LMS WordPress Plugin – for Online Courses and Education 3.6.27

  • Severity: medium-risk
  • Status: Fixed
  • Publication: October 23, 2025

The MasterStudy LMS plugin for WordPress has a security issue where it is possible for attackers to access sensitive information from the database. This vulnerability is present in versions up to 3.6.27 and is caused by the plugin not properly handling user input and SQL queries. This means that attackers with instructor-level or higher access can add their own SQL queries to the existing ones, allowing them to extract private information from the database.

Detected in:

MasterStudy LMS WordPress Plugin – for Online Courses and Education fixed vulnerable versions: >= * <= 3.6.27

This information is sourced from www.wpvulnerability.com. An open-source database of vulnerabilities maintained by the community. Help us out by submitting vulnerabilities!

Version compare shows which versions have a vulnerability. For example: >= 2.2.8 <= 2.2.21 means:

> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21

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