HIGH8.0

GHSA-93qh-vwrm-c5pw

Jenkins: Stored XSS vulnerability in node offline cause description

Quick fix

GHSA-93qh-vwrm-c5pw — org.jenkins-ci.main:jenkins-core: upgrade to the fixed version with the command below.

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

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.

Are you affected?

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Affected packages

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

Introduced in: 2.483Fixed 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]