CVE-2026-80069

Impact

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.

Affected products

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References

• NVD record
• CVE.org record
• 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