CVE-2025-4439

An issue has been discovered in GitLab CE/EE affecting all versions from 15.10 before 18.0.5, 18.1 before 18.1.3, and 18.2 before 18.2.1 that could have allowed an authenticated user to perform cross-site scripting attacks when the instance is served through certain content delivery networks.

CVSS v3 7.7 HIGH

7.7^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.3 / Impact : 5.8

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://gitlab.com/gitlab-org/gitlab/-/issues/541177	Broken Link
https://hackerone.com/reports/3120111	Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:18.2::::community:::
	cpe:2.3:a:gitlab:gitlab:18.2::::enterprise:::

History

08 Aug 2025, 18:27

Type	Values Removed	Values Added
Summary		(es) Se ha descubierto un problema en GitLab CE/EE que afecta a todas las versiones desde la 15.10 hasta la 18.0.5, la 18.1 hasta la 18.1.3 y la 18.2 hasta la 18.2.1 que podría haber permitido que un usuario autenticado realizara ataques de cross-site scripting cuando la instancia se sirve a través de determinadas redes de distribución de contenido.
CPE		cpe:2.3:a:gitlab:gitlab:::::community:::* cpe:2.3:a:gitlab:gitlab:18.2::::community::: cpe:2.3:a:gitlab:gitlab:::::enterprise:::* cpe:2.3:a:gitlab:gitlab:18.2::::enterprise:::
First Time		Gitlab gitlab Gitlab
References	~~() https://gitlab.com/gitlab-org/gitlab/-/issues/541177 -~~	() https://gitlab.com/gitlab-org/gitlab/-/issues/541177 - Broken Link
References	~~() https://hackerone.com/reports/3120111 -~~	() https://hackerone.com/reports/3120111 - Permissions Required

23 Jul 2025, 18:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-07-23 18:15

Updated : 2025-08-08 18:27

NVD link : CVE-2025-4439

Mitre link : CVE-2025-4439

CVE.ORG link : CVE-2025-4439

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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