{"id":"CVE-2021-21649","aliases":["GHSA-jwhm-9cjm-4493"],"url":"https://o3.security/vulnerability/CVE-2021-21649","summary":"Cross-site Scripting in Jenkins Dashboard View Plugin","details":"Jenkins Dashboard View Plugin prior to 2.16 and 2.12.1 does not escape URLs referenced in Image Dashboard Portlets, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with View/Configure permission.\n\nAs part of this fix, the property for image URLs was changed from `url` to `imageUrl`. Existing [Configuration as Code](https://plugins.jenkins.io/configuration-as-code/) configurations are still supported, but exports will emit the new property.","published":"2021-05-11T15:15:07.917Z","modified":"2026-07-09T00:22:32.983359Z","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.plugins:dashboard-view","fixedVersion":"2.16"},{"ecosystem":"Maven","name":"org.jenkins-ci.plugins:dashboard-view","fixedVersion":"2.12.1"}],"fix":{"url":"https://github.com/jenkinsci/dashboard-view-plugin/commit/586817b081d903e47cfdd05b96b8aae1d2c2700b","label":"jenkinsci/dashboard-view-plugin@586817b"},"references":[{"type":"ADVISORY","url":"https://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2233"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21649"},{"type":"WEB","url":"https://github.com/jenkinsci/dashboard-view-plugin/commit/586817b081d903e47cfdd05b96b8aae1d2c2700b"},{"type":"WEB","url":"https://github.com/CVEProject/cvelist/blob/2d78eb36f4d084db7fb35f1535d8d84fdcb7d859/2021/21xxx/CVE-2021-21649.json"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/dashboard-view-plugin"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:22:32.983359Z"}}