Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab (GitLab GitLab)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.48 % · percentile 41 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- GitLab
- NVD status
- Analyzed
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user to execute arbitrary JavaScript in the context of other users' browser sessions via a specially crafted repository, due to improper sanitization of HTML attributes in syntax-highlighted output.
Weaknesses (CWE)
- CWE-79 — Improper Neutralization of Input During Web Page Generation
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N | GitLab |
| CVSS 3.1 | HIGH 8.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N | NVD · cve@gitlab.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-98215
- GCVE · GCVE-0-2026-92883
CERT-FR advisories
- CERTFR-2026-AVI-1294 — Multiples vulnérabilités dans GitLab · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*≥ 19.1.0 < 19.2.8cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*≥ 19.1.0 < 19.2.8cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*≥ 19.3.0 < 19.3.5cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*≥ 19.3.0 < 19.3.5cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*≥ 19.4.0 < 19.4.2cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*≥ 19.4.0 < 19.4.2
Affected products
| Product | Versions |
|---|---|
| GitLab · GitLab | affected 19.1 < 19.2.8 ; affected 19.3 < 19.3.5 ; affected 19.4 < 19.4.2 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |