{"id":"CVE-2021-21618","published":"2021-02-24T15:05:28Z","modified":"2024-08-03T18:16:23Z","title":"Jenkins Repository Connector Plugin 2.0.2 and earlier does not escape parameter names and descriptions for past…","vendor":"Jenkins project","product":"Jenkins Repository Connector Plugin","tier":"core","eol":null,"affectedVersions":[{"vendor":"Jenkins project","product":"Jenkins Repository Connector Plugin","versions":[">= unspecified, <= 2.0.2"]}],"description":{"text":"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.","provenance":"source","from":"CVE.org"},"summary":{"text":"The Jenkins Repository Connector Plugin, version 2.0.2 and earlier, does not escape parameter names and descriptions shown for past builds, leaving a stored cross-site scripting flaw in the plugin's build-history display. An attacker who holds the Item/Configure permission can plant malicious script in those parameter fields, and it executes in the browser of users who later view the affected build pages.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:23:34Z"},"cvss":null,"epss":{"score":0.79479,"percentile":0.99602,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[],"references":[{"url":"https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2183","tags":["x_refsource_CONFIRM"]}],"techniques":[],"reports":[],"affected":[{"ecosystem":"Maven","package":"org.jenkins-ci.plugins:repository-connector","vulnerableRanges":["<2.0.3"],"patched":["2.0.3"],"from":["GHSA-hg2w-3c4j-jjwm"],"provenance":"source"}],"advisories":[{"id":"GHSA-hg2w-3c4j-jjwm","url":"https://github.com/advisories/GHSA-hg2w-3c4j-jjwm","severity":"MODERATE","ecosystem":"Maven","package":"org.jenkins-ci.plugins:repository-connector","vulnerableRanges":["<2.0.3"],"patched":["2.0.3"],"provenance":"source","from":"GHSA"}],"euvd":{"id":"EUVD-2022-4137","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-4137","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2021-02-24","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2021-21618","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":19.9,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.92,"detail":"percentile 0.9960"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":0.0,"detail":"no CVSS"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]},"lineage":{"packageHistory":[{"cve":"CVE-2019-1003038","published":"2019-03-08","fixed":"1.2.5","kev":false},{"cve":"CVE-2020-2149","published":"2020-03-09","fixed":"2.0.0","kev":false,"link":{"from":"CVE-2020-2149","to":"CVE-2021-21618","relation":"successor","confidence":"low","kind":"sequence","evidence":[{"kind":"version-step","provenance":"source","package":"Maven:org.jenkins-ci.plugins:repository-connector","fromFixed":"2.0.0","toFixed":"2.0.3","daysApart":352}]}},{"cve":"CVE-2021-21618","published":"2021-02-24","fixed":"2.0.3","kev":false}],"package":"Maven:org.jenkins-ci.plugins:repository-connector"}}