{"id":"CVE-2026-84677","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-84677","generatedAt":"2026-10-28T02:19:36.211Z","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 stored cross-site scripting (XSS) vulnerability exploitable by attackers…","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.","published":"2026-09-02T16:17:32.000Z","lastModified":"2026-09-03T17:13:16.000Z","status":"Awaiting Analysis","sourceIdentifier":"jenkinsci-cert@googlegroups.com","cvss":{"version":"3.1","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"},"cwe":["CWE-79"],"affected":[],"epss":{"score":0.00226,"percentile":0.13164,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4038","source":"jenkinsci-cert@googlegroups.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-84677","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}