CVE-2025-0475 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

High 8.7 Published 3 Mar 2025 Updated 3 Mar 2025

An XSS vulnerability in GitLab's proxy feature allows attackers to execute scripts under specific conditions, potentially leading to account takeover.

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

What is CVE-2025-0475?

CVE-2025-0475 is a high-severity cross-site scripting vulnerability in Gitlab Gitlab, published on 3 Mar 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

An issue has been discovered in GitLab CE/EE affecting all versions from 15.10 prior to 17.7.6, 17.8 prior to 17.8.4, and 17.9 prior to 17.9.1. A proxy feature could potentially allow unintended content rendering leading to XSS under specific circumstances.

Weakness: CWE-79

Which versions are affected by CVE-2025-0475?

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

Package	Affected	Fixed in
`gitlab` Bitnami	From `15.10.0`	`17.9.1`

Products include Gitlab Gitlab.

How do I fix CVE-2025-0475?

Upgrade gitlab to 17.9.1 or later.

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-2025-0475 being exploited?

There is no known exploitation of CVE-2025-0475 in the wild and no public exploit code.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2025-0475, GHSA-wpxf-3mm2-76f8.