{"id":"CVE-2020-2221","aliases":["BIT-jenkins-2020-2221","GHSA-g4j6-m3m3-crw8"],"url":"https://o3.security/vulnerability/CVE-2020-2221","summary":"Stored XSS vulnerability in Jenkins upstream cause","details":"Jenkins 2.244 and earlier, LTS 2.235.1 and earlier does not escape the upstream job's display name shown as part of a build cause, resulting in a stored cross-site scripting vulnerability.","published":"2020-07-15T18:15:37.003Z","modified":"2026-07-09T00:21:51.667591Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","fixedVersion":"2.235.2"},{"ecosystem":"Maven","name":"org.jenkins-ci.main:jenkins-core","fixedVersion":"2.245"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/07/15/5"},{"type":"ADVISORY","url":"https://jenkins.io/security/advisory/2020-07-15/#SECURITY-1901"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:21:51.667591Z"}}