CVE-2025-54699: Masteriyo - Lms

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in masteriyo Masteriyo - LMS learning-management-system allows Stored XSS.This issue affects Masteriyo - LMS: from n/a through <= 1.18.3.

Affected products

• Masteriyo Masteriyo - Lms: up to and including 1.18.3

Published 2025-08-14. Last modified 2026-06-17.