CVE-2026-82846 — Masteriyo LMS 1.18.0 - 2.3.3 - Instructor+ Stored XSS via Course Custom Fields

CVE-2026-82846

Masteriyo LMS 1.18.0 - 2.3.3 - Instructor+ Stored XSS via Course Custom Fields PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Unknown / Masteriyo LMS	affected 1.18.0 before 3.4.0

CWE

No CWE identifiers supplied.

References

https://wpscan.com/vulnerability/0ee2052c-90a8-4b98-947a-adc55feb1de7/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.