CVE-2017-11666: Kopano Webapp

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in js/ViewerPanel.js in the file previewer plugin in Kopano WebApp versions 3.3.0 and earlier allows remote attackers to inject arbitrary web script or HTML via a specially crafted previewable file.

Affected products

• Kopano Webapp: up to and including 3.3.0

Published 2017-07-26. Last modified 2026-06-17.