HIGH 8.0

GHSA-93qh-vwrm-c5pw

Jenkins: Stored XSS vulnerability in node offline cause description

Details

Jenkins 2.483 through 2.567 (both inclusive), LTS 2.492.1 through 2.555.2 (both inclusive) does not escape the user-provided description of a generic offline cause that could be set through the `POST config.xml` API, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Agent/Configure permission.

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Affected packages

Maven / org.jenkins-ci.main:jenkins-core

Introduced in: 2.483 Fixed in: 2.568

Fix # pom.xml: bump <version>2.568</version> for org.jenkins-ci.main:jenkins-core

References

https://nvd.nist.gov/vuln/detail/CVE-2026-53441 [ADVISORY]
https://github.com/jenkinsci/jenkins/commit/20041e8090d3b228d586169141ea7f12ffe4444d [WEB]
https://github.com/jenkinsci/jenkins [PACKAGE]
https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3731 [WEB]