CVE-2025-13766
Medium · 5.4CVSS
5.4
EPSS
0.2%
Published
Jan 6, 2026
CISA due date
—
The record
The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to unauthorized modification and deletion of data due to a missing capability checks on multiple REST API endpoints in all versions up to, and including, 3.7.6. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload or delete arbitrary media files, delete or modify posts, and create/manage course templates
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
- CVE-2026-96391 Missing Authorization vulnerability in Drupal Webform REST allows Forceful Browsing. CWE-862
- CVE-2026-96380 Missing Authorization vulnerability in Drupal CSS Usage Analyzer allows Forceful Browsing. CWE-862
- CVE-2026-96386 Missing Authorization vulnerability in Drupal Smart Content allows Forceful Browsing. CWE-862
- CVE-2026-87955 Missing Authorization vulnerability in Drupal Ultimate Table Field allows Forceful… CWE-862
- CVE-2026-87954 Missing Authorization vulnerability in Drupal Taxonomy Term Glossary allows Forceful… CWE-862
- CVE-2026-87943 Missing Authorization vulnerability in Drupal SAML SSO - Service Provider allows Forceful… CWE-862
- CVE-2026-84916 Missing Authorization vulnerability in Drupal Islandora allows Forceful Browsing. CWE-862
- CVE-2026-84921 Missing Authorization vulnerability in Drupal Webform Submissions Delete allows Forceful… CWE-862