6.4
Medium
CVE-2026-0559 The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to Stored…
Description
The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'stm_lms_courses_grid_display' shortcode in all versions up to, and including, 3.7.11 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| MasterStudy LMS WordPress Plugin – for Online Courses and Education 3.7 | earliest → 3.7.11 | No fix stated |
Other CVEs of MasterStudy LMS WordPress Plugin – for Online Courses and Education
The 11 CVEs of MasterStudy LMS WordPress Plugin – for Online Courses and Education →
CVE-2026-5060
The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to Insecure…
6.5
Medium
CVE-2026-4817
The MasterStudy LMS WordPress Plugin for Online Courses and Education plugin for WordPress is vulnerable to Time-based…
6.5
Medium
CVE-2025-13766
The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to…
5.4
Medium
CVE-2024-3942
The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to…
6.3
Medium