CVE-2024-1451 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

High 8.7 Published 21 Feb 2024 Updated 23 May 2026

Attackers can inject malicious scripts into user profiles, leading to stored XSS and arbitrary actions on behalf of victims.

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-2024-1451?

CVE-2024-1451 is a high-severity cross-site scripting vulnerability in Gitlab Gitlab, published on 21 Feb 2024. 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 starting from 16.9 before 16.9.1. A crafted payload added to the user profile page could lead to a stored XSS on the client side, allowing attackers to perform arbitrary actions on behalf of victims."

Weakness: CWE-79

Which versions are affected by CVE-2024-1451?

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

Package	Affected	Fixed in
`gitlab` Bitnami	From `16.9.0`	`16.9.1`

Products include Gitlab Gitlab.

How do I fix CVE-2024-1451?

Upgrade gitlab to 16.9.1 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-2024-1451 being exploited?

There is no known exploitation of CVE-2024-1451 in the wild and no public exploit code.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2024-1451, GHSA-xxcc-244v-rj6x, UBUNTU-CVE-2024-1451.