Unrated severityNVD Advisory· Published Sep 5, 2026
Masteriyo LMS 1.18.0 - 2.3.3 - Instructor+ Stored XSS via Course Custom Fields
CVE-2026-82846
Description
The Masteriyo LMS WordPress plugin before 3.4.0 does not sanitise and escape some course settings before outputting them in a page available to all visitors, allowing users with a course-author role to perform Stored Cross-Site Scripting attacks that run in the session of anyone viewing the course, including a logged-in administrator.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <3.4.0
Patches
Vulnerability mechanics
References
1- wpscan.com/vulnerability/0ee2052c-90a8-4b98-947a-adc55feb1de7/mitreexploitvdb-entrytechnical-description
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