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GHSA-93qh-vwrm-c5pw

Jenkins: Stored XSS vulnerability in node offline cause description

Source: GitHub Advisory Database (reviewed) High CVE-2026-53441

Packages

EcosystemPackageAffectedFixed in
Maven org.jenkins-ci.main:jenkins-core >= 2.483, < 2.568 2.568

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.