CVE-2025-13761 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

High 8.0 Published 9 Jan 2026 Updated 15 Jul 2026

An unauthenticated attacker can execute arbitrary code in an authenticated user's browser via a crafted webpage, potentially leading to account takeover.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2025-13761?

CVE-2025-13761 is a high-severity cross-site scripting vulnerability in Gitlab Gitlab, published on 9 Jan 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.6 before 18.6.3, and 18.7 before 18.7.1 that could have allowed an unauthenticated user to execute arbitrary code in the context of an authenticated user's browser by convincing the legitimate user to visit a specially crafted webpage.

Weakness: CWE-79

Which versions are affected by CVE-2025-13761?

1 open source package ship an affected version, including gitlab. It affects 1 product.

Package	Affected	Fixed in
`gitlab` Bitnami	From `18.6.0`	`18.6.3, 18.7.1`

Products include Gitlab Gitlab.

How do I fix CVE-2025-13761?

Upgrade gitlab to a fixed version for your release line: 18.6.3 or 18.7.1.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-13761 being exploited?

There is no known exploitation of CVE-2025-13761 in the wild and no public exploit code.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2025-13761, GHSA-3r2c-p78w-vg88.