{"id":"CVE-2021-21635","aliases":["GHSA-x3m6-vcp7-98mr"],"url":"https://o3.security/vulnerability/CVE-2021-21635","summary":"Stored XSS vulnerability in Jenkins REST List Parameter Plugin","details":"Jenkins REST List Parameter Plugin 1.3.0 and earlier does not escape a parameter name reference in embedded JavaScript.\n\nThis results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.\n\nJenkins REST List Parameter Plugin 1.3.1 no longer identifies a parameter using user-specified content.","published":"2021-03-30T12:16:10.767Z","modified":"2026-07-09T00:37:54.576637Z","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":{"score":0.08759,"percentile":0.94807,"asOf":"2026-09-06"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"io.jenkins.plugins:rest-list-parameter","fixedVersion":"1.3.1"}],"fix":{"url":"https://github.com/jenkinsci/rest-list-parameter-plugin/commit/ff4bb2b44eb05b35bfb68a3a63ac7c5e72cb96b6","label":"jenkinsci/rest-list-parameter-plugin@ff4bb2b"},"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/03/30/1"},{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2261"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21635"},{"type":"WEB","url":"https://github.com/jenkinsci/rest-list-parameter-plugin/commit/ff4bb2b44eb05b35bfb68a3a63ac7c5e72cb96b6"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/rest-list-parameter-plugin"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:37:54.576637Z"}}