CVE-2018-19493
There is a persistent XSS vulnerability in the environment pages due to a lack of input validation and output encoding.
Does this matter?
Lower severity and a low EPSS score (1.30%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in GitLab Community and Enterprise Edition 11.x before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1. There is a persistent XSS vulnerability in the environment pages due to a lack of input validation and output encoding.
- CVSS 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 1.30% probability · 70th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- gitlab/gitlab
- Source
- cve@mitre.org
EPSS 1.3% since 27 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
- http://www.securityfocus.com/bid/109122Third Party Advisory, VDB Entry
- https://about.gitlab.com/2018/11/28/security-release-gitlab-11-dot-5-dot-1-released/Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab-ce/issues/53037Issue Tracking, Vendor Advisory
- http://www.securityfocus.com/bid/109122Third Party Advisory, VDB Entry
- https://about.gitlab.com/2018/11/28/security-release-gitlab-11-dot-5-dot-1-released/Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab-ce/issues/53037Issue Tracking, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.