CVE-2026-82847
Masteriyo LMS < 3.4.1 - Instructor+ Stored XSS via Course Highlights
- State
- Published
- Severity
- 6.8 Medium
- Published
- Sep 12, 2026
- Updated
- Sep 12, 2026
- Reserved
- Aug 31, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.8 Medium | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Masteriyo LMSUnknown |
|
References
- https://wpscan.com/vulnerability/9cc4f7a7-e5b9-48fe-962b-f5d0753e6158/exploitvdb-entrytechnical-description
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