Cross-site Scripting (XSS) Affecting jenkins package, versions <2.228-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (23rd percentile)

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  • Snyk IDSNYK-ALPINE321-JENKINS-8486837
  • published6 Dec 2024
  • disclosed25 Mar 2020

Introduced: 25 Mar 2020

CVE-2020-2161  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade Alpine:3.21 jenkins to version 2.228-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream jenkins package and not the jenkins package as distributed by Alpine. See How to fix? for Alpine:3.21 relevant fixed versions and status.

Jenkins 2.227 and earlier, LTS 2.204.5 and earlier does not properly escape node labels that are shown in the form validation for label expressions on job configuration pages, resulting in a stored XSS vulnerability exploitable by users able to define node labels.

CVSS Scores

version 3.1