The invalidRedirectUrl template in Atlassian Application Links before version 5.2.7, from version 5.3.0 before version 5.3.4 and from version 5.4.0 before version 5.4.3 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the redirectUrl parameter link in the redirect warning message.
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
0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)