{"id":"CVE-2026-84677","state":"PUBLISHED","title":"Jenkins update-center2 3.18.3 and earlier does not escape plugin-provided values (plugin names, descriptions, and version metadata) on plugin download index pages, resulting in a s","description":"Jenkins update-center2 3.18.3 and earlier does not escape plugin-provided values (plugin names, descriptions, and version metadata) on plugin download index pages, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide a plugin for hosting.","publishedAt":"2026-09-02T15:40:59.042Z","updatedAt":"2026-09-02T16:52:14.388Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","source":"CISA-ADP"},"assigner":"jenkins","products":["Jenkins Project Jenkins update-center2"],"affected":[{"vendor":"Jenkins Project","product":"Jenkins update-center2","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.18.3","versionType":"maven"}]}],"references":["https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4038"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/84xxx/CVE-2026-84677.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-84677","state":"PUBLISHED","datePublished":"2026-09-02T15:40:59.042Z","dateUpdated":"2026-09-02T16:52:14.388Z","assignerShortName":"jenkins","assignerOrgId":"39769cd5-e6e2-4dc8-927e-97b3aa056f5b","dateReserved":"2026-09-01T21:55:27.036Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Jenkins update-center2 3.18.3 and earlier does not escape plugin-provided values (plugin names, descriptions, and version metadata) on plugin download index pages, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide a plugin for hosting."}],"affected":[{"vendor":"Jenkins Project","product":"Jenkins update-center2","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.18.3","versionType":"maven"}]}],"references":[{"url":"https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4038","name":"Jenkins Security Advisory 2026-09-02","tags":["vendor-advisory"]}],"providerMetadata":{"shortName":"jenkins","orgId":"39769cd5-e6e2-4dc8-927e-97b3aa056f5b","dateUpdated":"2026-09-02T15:40:59.042Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":5.4,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-02T16:52:11.172191Z","id":"CVE-2026-84677","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","type":"CWE","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-02T16:52:14.388Z"}}]}}}