Description

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape button labels in the Jenkins UI, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers with the ability to control button labels.

Remediation

References

CVE-2021-21608

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Severity

Medium

Classification

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Tags

Missing Update Known Vulnerabilities CWE-707 CVE-2021-21608