CVE-2018-18694: Monstra

Medium severity, CVSS 4.8. EPSS: 0.9% chance of exploitation in the next 30 days.

admin/index.php?id=filesmanager in Monstra CMS 3.0.4 allows remote authenticated administrators to trigger stored XSS via JavaScript content in a file whose name lacks an extension. Such a file is interpreted as text/html in certain cases.

Affected products

• Monstra Monstra: version 3.0.4 only

Published 2018-10-29. Last modified 2026-06-17.