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CVE-2024-2409

CRITICAL 9.8 CVSS 3.1
Published
March 29, 2024
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-266
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Affected WordPress components

  • MasterStudy LMS WordPress Plugin – for Online Courses and Education Plugin · masterstudy-lms-learning-management-system
    Confirmed match Active
    Up to and including 3.3.1; Before 3.3.2
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • stylemix MasterStudy LMS WordPress Plugin – for Online Courses and Education — Up to and including 3.3.1
  • stylemixthemes masterstudy_lms — Before 3.3.2

References

  • docs.stylemixthemes.com https://docs.stylemixthemes.com/masterstudy-lms/changelog-free-version#id-3.3.2 Patch, Release Notes
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3059676/masterstudy-lms-learning-management-system Patch
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/94736152-b365-4b3a-a786-ed49f7d0fc7a?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record