{"id":"CVE-2021-21618","aliases":["EUVD-2022-4137","GHSA-hg2w-3c4j-jjwm"],"status":"published","title":"Stored XSS vulnerability in Jenkins Repository Connector Plugin","description":"Jenkins Repository Connector Plugin 2.0.2 and earlier does not escape parameter names and descriptions for past builds, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.79479,"percentile":0.99609,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2021-02-24T15:05:28Z","modified":"2026-10-24T10:30:24Z","fixes":[{"ecosystem":"Maven","package":"org.jenkins-ci.plugins:repository-connector","fixed_in":["2.0.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.jenkins-ci.plugins:repository-connector","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.0.2"},{"fixed":"2.0.3"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.jenkins-ci.plugins:repository-connector","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.3"}]}],"versions":["1.0.0","1.0.1","1.1.0","1.1.1","1.1.2","1.1.3","1.2.3","1.2.4","1.2.5","1.2.6","1.3.1","2.0.0","2.0.1","2.0.2"]}],"products":[{"vendor":"jenkins","product":"repository_connector"},{"vendor":"jenkins project","product":"jenkins repository connector plugin"}],"references":[{"url":"https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2183","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21618","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-hg2w-3c4j-jjwm"},{"url":"https://github.com/jenkinsci/repository-connector-plugin","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-21618","description":"Jenkins Repository Connector Plugin 2.0.2 and earlier does not escape parameter names and descriptions for past builds, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.","status":"published","published":"2021-02-24T15:05:28Z","modified":"2024-08-03T18:16:23.809Z","updated_at":"2026-11-02T14:33:00.488332Z"}],"euvd":[{"id":"EUVD-2022-4137","description":"Jenkins Repository Connector Plugin 2.0.2 and earlier does not escape parameter names and descriptions for past builds, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.","status":"published","published":"2021-02-24T15:05:28Z","modified":"2024-08-03T18:16:23Z","updated_at":"2026-11-03T03:25:05.745586Z"}],"ghsa":[{"id":"GHSA-hg2w-3c4j-jjwm","title":"Stored XSS vulnerability in Jenkins Repository Connector Plugin","description":"Jenkins Repository Connector Plugin 2.0.2 and earlier does not escape parameter names and descriptions for past builds.\n\nThis results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.\n\nJenkins Repository Connector Plugin 2.0.3 escapes parameter names and descriptions when creating new parameters.","status":"published","published":"2022-05-24T17:43:00Z","modified":"2023-10-27T13:29:07Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:37:10.053831Z"}],"nvd":[{"id":"CVE-2021-21618","description":"Jenkins Repository Connector Plugin 2.0.2 and earlier does not escape parameter names and descriptions for past builds, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.","status":"published","published":"2021-02-24T16:15:14.897Z","modified":"2026-06-17T03:35:52.927Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:50.031227Z"}],"osv":[{"id":"CVE-2021-21618","description":"Jenkins Repository Connector Plugin 2.0.2 and earlier does not escape parameter names and descriptions for past builds, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.","status":"published","published":"2021-02-24T16:15:14.897Z","modified":"2026-10-24T10:30:24.800494424Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:18.367807Z"},{"id":"GHSA-hg2w-3c4j-jjwm","title":"Stored XSS vulnerability in Jenkins Repository Connector Plugin","description":"Jenkins Repository Connector Plugin 2.0.2 and earlier does not escape parameter names and descriptions for past builds.\n\nThis results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.\n\nJenkins Repository Connector Plugin 2.0.3 escapes parameter names and descriptions when creating new parameters.","status":"published","published":"2022-05-24T17:43:00Z","modified":"2024-02-16T08:22:44.493126Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:48.920784Z"}]}}