{"id":"CVE-2019-5471","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-5471","generatedAt":"2026-10-27T23:27:10.825Z","title":"An input validation and output encoding issue was discovered in the GitLab email notification feature which could result in a persistent XSS.","description":"An input validation and output encoding issue was discovered in the GitLab email notification feature which could result in a persistent XSS. This was addressed in GitLab 12.1.2, 12.0.4, and 11.11.6.","published":"2019-09-09T18:15:11.000Z","lastModified":"2026-06-17T02:37:45.000Z","status":"Modified","sourceIdentifier":"support@hackerone.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":["gitlab/gitlab"],"epss":{"score":0.00789,"percentile":0.5598,"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 (0.79%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab-ee/issues/11515","tags":["Exploit","Vendor Advisory"],"source":"support@hackerone.com"},{"url":"https://hackerone.com/reports/496973","tags":["Exploit","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://about.gitlab.com/2019/07/29/security-release-gitlab-12-dot-1-dot-2-released/","tags":["Broken Link","Vendor Advisory"],"source":"nvd@nist.gov"},{"url":"https://gitlab.com/gitlab-org/gitlab-ee/issues/11515","tags":["Exploit","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://hackerone.com/reports/496973","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-5471","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."}