CVE-2018-20240: Atlassian Crucible

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

The administrative linker functionality in Atlassian Fisheye and Crucible before version 4.7.0 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the href parameter.

Affected products

• Atlassian Crucible: before 4.7.0 (fixed in 4.7.0)
• Atlassian Fisheye: before 4.7.0 (fixed in 4.7.0)

Published 2019-02-20. Last modified 2026-06-17.