CVE-2026-82846
Masteriyo LMS 1.18.0 - 2.3.3 - Instructor+ Stored XSS via Course Custom Fields
CVSS Score
6.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | unknown |
| Product | masteriyo lms |
| Published | Sep 5, 2026 |
| Last Updated | Sep 6, 2026 |
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Affected Versions
Unknown / Masteriyo LMS
1.18.0 < 3.4.0
References
Credits
Mutantgun WPScan