CVE-2025-1763 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

High 8.7 Published 30 May 2025 Updated 30 May 2025

Attackers can execute cross-site scripting and bypass content security policies in GitLab EE, potentially compromising user sessions.

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-2025-1763?

CVE-2025-1763 is a high-severity cross-site scripting vulnerability in Gitlab Gitlab, published on 30 May 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 EE that allows for cross-site-scripting attack and content security policy bypass in a user's browser under specific conditions, affecting all versions from 16.6 before 17.9.7, 17.10 before 17.10.5, and 17.11 before 17.11.1.

Weakness: CWE-79

Which versions are affected by CVE-2025-1763?

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

Package	Affected	Fixed in
`gitlab` Bitnami	From `16.6.0`	`17.11.1`

Products include Gitlab Gitlab.

How do I fix CVE-2025-1763?

Upgrade gitlab to 17.11.1 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-2025-1763 being exploited?

There is no known exploitation of CVE-2025-1763 in the wild and no public exploit code.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2025-1763, GHSA-j875-427q-5q22.