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Medium · 6.8 CVE-2026-82847 EUVD-2026-76788GHSA-8hqp-p78r-mqpg

Masteriyo LMS < 3.4.1 - Instructor+ Stored XSS via Course Highlights

Published Sep 12, 2026 · Updated Sep 12, 2026 · Assigned by WPScan

Description

The Masteriyo LMS WordPress plugin before 3.4.1 does not sanitise and escape one of its course fields before outputting it back in the course editor, allowing users with the instructor role to perform Stored Cross-Site Scripting attacks against higher privileged users such as administrators.

Affected products

VendorProductAffectedFixed
— Masteriyo LMS < 3.4.1 3.4.1

References