CVE-2026-3093
4.7
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an attacker to execute arbitrary JavaScript in another user's browser via a crafted URL, due to improper sanitization of user-controlled input.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GitLab | GitLab | 14.0 < 19.0.5 | affected |
| GitLab | GitLab | 19.1 < 19.1.3 | affected |
| GitLab | GitLab | 19.2 < 19.2.1 | affected |
Weaknesses
- CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: partial
References
- https://hackerone.com/reports/3539833
- https://gitlab.com/gitlab-org/gitlab/-/work_items/591274
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/
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