CVE-2020-2161

Jenkins 2.227 and earlier, LTS 2.204.5 and earlier does not properly escape node labels that are shown in the form validation for label expressions on job configuration pages, resulting in a stored XSS vulnerability exploitable by users able to define node labels.

• CWE-79

• http://www.openwall.com/lists/oss-security/2020/03/25/2Mailing List, Third Party Advisory
• https://jenkins.io/security/advisory/2020-03-25/#SECURITY-1781Vendor Advisory
• http://www.openwall.com/lists/oss-security/2020/03/25/2Mailing List, Third Party Advisory
• https://jenkins.io/security/advisory/2020-03-25/#SECURITY-1781Vendor Advisory

Published

Mar 25, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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