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.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
GitLab GitLab unaffected
Version Status Constraints
14.0 affected < 19.0.5
19.1 affected < 19.1.3
19.2 affected < 19.2.1

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Gitlab Subscribe
Gitlab Subscribe
Advisories

No advisories yet.

Fixes

Solution

Upgrade to versions 19.0.5, 19.1.3, 19.2.1 or above.

Workaround

No workaround given by the vendor.

References
Link Providers
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/ cve-icon
https://gitlab.com/gitlab-org/gitlab/-/work_items/591274 cve-icon
https://hackerone.com/reports/3539833 cve-icon
History

Wed, 29 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 29 Jul 2026 19:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
First Time appeared Gitlab
Gitlab gitlab
Weaknesses CWE-79
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
References
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-07-29T19:34:59.534Z

Reserved: 2026-02-24T02:34:16.776Z

Link: CVE-2026-3093

cve-icon Vulnrichment

Updated: 2026-07-29T19:34:56.782Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses