CVE-2026-0559

The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'stmlmscoursesgriddisplay' shortcode in all versions up to, and including, 3.7.11 due to insufficient input sanitization and output escaping o...

CVE-2026-0559

The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'stmlmscoursesgriddisplay' shortcode in all versions up to, and including, 3.7.11 due to insufficient input sanitization and output escaping o...

CVE-2026-0559

The CVE-2026-0559 entry concerns MasterStudy LMS WordPress Plugin (

CVE-2026-0559 MasterStudy LMS WordPress Plugin – for Online Courses and Education <= 3.7.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'stm_lms_courses_grid_display' Shortcode

The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'stmlmscoursesgriddisplay' shortcode in all versions up to, and including, 3.7.11 due to insufficient input sanitization and output escaping o...

WordPress MasterStudy LMS WordPress Plugin - for Online Courses and Education plugin <= 3.7.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'stm_lms_courses_grid_display' Shortcode vulnerability

WordPress MasterStudy LMS WordPress Plugin - for Online Courses and Education plugin = 3.7.11 - Authenticated Contributor+ Stored Cross-Site Scripting via 'stmlmscoursesgriddisplay' Shortcode vulnerability discovered by Muhammad Yudha - DJ in WordPress Plugin MasterStudy LMS versions = 3.7.11...