CVE-2017-18083: Atlassian Confluence

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

The editinword resource in Atlassian Confluence Server before version 6.4.0 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability through the contents of an uploaded file.

Affected products

• Atlassian Confluence: before 6.4.0 (fixed in 6.4.0)

Published 2018-02-02. Last modified 2026-06-17.