CVSS 3.1 Score 9.8 of 10 (high)


Published Mar 29, 2024


CVE-2024-2409 is a vulnerability found in the MasterStudy LMS plugin for WordPress, affecting all versions up to and including 3.3.1. The vulnerability allows unauthenticated attackers to escalate their privileges and register a user with administrator-level access when the MasterStudy LMS Pro plugin is installed and the LMS Forms Editor add-on is enabled. This privilege escalation occurs due to insufficient validation checks within the _register_user() function called by the 'wp_ajax_nopriv_stm_lms_register' AJAX action. The base severity of this vulnerability is rated as CRITICAL, with a base score of 9.8 out of 10, indicating its high potential danger to organizations using the affected plugin. To remediate this vulnerability, users should update their MasterStudy LMS plugin to a version beyond 3.3.1, where the issue has been addressed.

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