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.
https://stash.kopano.io/projects/KWA/repos/filepreviewer/commits/85d2b5c2d27f461bba12e9491fcc4b0d8fde771a
Source: Mitre, NVD
Published: 2017-07-26
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00223