CVE-2017-18086: Atlassian Confluence

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

Various resources in Atlassian Confluence Server before version 6.4.2 allow remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the issuesURL parameter.

Affected products

• Atlassian Confluence: before 6.4.2 (fixed in 6.4.2)

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