CVE-2019-5471
An input validation and output encoding issue was discovered in the GitLab email notification feature which could result in a persistent XSS.
Does this matter?
Lower severity and a low EPSS score (0.79%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.79% probability · 56th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- gitlab/gitlab
- Source
- support@hackerone.com
EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://gitlab.com/gitlab-org/gitlab-ee/issues/11515Exploit, Vendor Advisory
- https://hackerone.com/reports/496973Exploit, Third Party Advisory
- https://about.gitlab.com/2019/07/29/security-release-gitlab-12-dot-1-dot-2-released/Broken Link, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab-ee/issues/11515Exploit, Vendor Advisory
- https://hackerone.com/reports/496973Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.