CVE-2026-80069
CVE-2026-80069 · MasterStudy LMS WordPress Plugin < 3.7.50 Missing Authorization via stm_lms_send_test_email_ajax
This page contains facts from public vulnerability sources. Check the original advisory before updating.
MasterStudy LMS plugin for WordPress before 3.7.50 contains a missing authorization vulnerability that allows any authenticated user, including Subscribers, to trigger the stm_lms_send_test_email_ajax AJAX action without capability or nonce validation. Attackers can invoke this handler directly or via cross-site request forgery to cause an uncaught PHP fatal error that, when display_errors is enabled, discloses the absolute filesystem path of the plugin.
CVSS 5.3 · Medium · EPSS 0.4% · Fix available
- Published
- Updated
Affected products and versions
masterstudy lms wordpress plugin
- Versions
- ≥ 0, < 3.7.50: Affected (semver)
Update to 3.7.50
Original sources
- https://docs.stylemixthemes.com/masterstudy-lms/changelog-free-version
- https://wordpress.org/plugins/masterstudy-lms-learning-management-system
- https://www.vulncheck.com/advisories/masterstudy-lms-wordpress-plugin-missing-authorization-via-stm-lms-send-test-email-ajax
- https://nvd.nist.gov/vuln/detail/CVE-2026-80069