CVE-2021-21608

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CVSS 3.1

5.4 medium

EPSS

1%p62

Published

Jan 13, 2021 (Jan 13, 2021)

Modified

Jun 17, 2026

Description

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.

Vendors: jenkins
Products: jenkins
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (1.0%)

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