MasterStudy LMS <= 3.3.1 - Unauthenticated Privilege Escalation via stm_lms_register AJAX Action

9.8
Incorrect Privilege Assignment
CVE CVE-2024-2409
CVSS 9.8 (Critical)
Publicly Published March 28, 2024
Last Updated March 29, 2024
Researcher Hiroho Shimada

Description

The MasterStudy LMS plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 3.3.1. This is due to insufficient validation checks within the _register_user() function called by the 'wp_ajax_nopriv_stm_lms_register' AJAX action. This makes it possible for unauthenticated attackers to register a user with administrator-level privileges when MasterStudy LMS Pro is installed and the LMS Forms Editor add-on is enabled.

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Vulnerability Details for MasterStudy LMS WordPress Plugin – for Online Courses and Education

Software Type Plugin
Software Slug masterstudy-lms-learning-management-system (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.3.2, or a newer patched version
Affected Version
  • <= 3.3.1
Patched Version
  • 3.3.2

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