CVE-2026-19619CWE-79cross-site-scripting

CVE-2026-19619

Medium · published September 16, 2026

CVSS v3.1
4.7
EPSS
0%
Percentile
14.0
In the wild
Unconfirmed
What it is

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an unauthenticated user to execute arbitrary JavaScript in the context of a targeted user's session due to improper sanitization of pasted HTML content in the Content Editor.

The record
Technical detail
CVSS v3.1
4.7 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00238 · 14.0th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-16T11:16Z
Affected products (6)
ProductVersionsFixed in
gitlab/gitlab≥ 19.0.0, < 19.1.819.1.8
gitlab/gitlab≥ 19.0.0, < 19.1.819.1.8
gitlab/gitlab≥ 19.2.0, < 19.2.619.2.6
gitlab/gitlab≥ 19.2.0, < 19.2.619.2.6
gitlab/gitlab≥ 19.3.0, < 19.3.219.3.2
gitlab/gitlab≥ 19.3.0, < 19.3.219.3.2
References (3)
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/ · [email protected]https://gitlab.com/gitlab-org/gitlab/-/work_items/612792 · [email protected]https://hackerone.com/reports/3808840 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 16 SEP 06:33Z
    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
    cvelistv5