CVE-2019-10404: Cross-site Scripting

September 25, 2019 (updated October 9, 2019)

Jenkins does not escape the reason why a queue items is blcoked in tooltips, resulting in a stored XSS vulnerability exploitable by users able to control parts of the reason a queue item is blocked, such as label expressions not matching any idle executors.

References

jenkins.io/security/advisory/2019-09-25/
nvd.nist.gov/vuln/detail/CVE-2019-10404

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