Several resources in Atlassian Fisheye and Crucible before version 4.6.0 allow remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in linked issue keys.
Severity
CVSS 3.0
6.1 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
1.7% chance of exploitation in the next 30 days; higher than 76% of CVEs (scores of 2026-10-31)