Cross-Site Scripting (XSS) Vulnerability in Jenkins UI Button Labels

CVE-2021-21608 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape button labels in the Jenkins UI, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers with the ability to control button labels.

Learn more about our Web Application Penetration Testing UK.