CVE-2021-22232 Cross-site scripting in GitLab

Low 3.5 Published Updated

Attackers can inject HTML via the full name field in GitLab CE, potentially leading to script execution or 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-2021-22232?

CVE-2021-22232 is a low-severity cross-site scripting vulnerability in Gitlab Gitlab, published on 6 Jul 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

HTML injection was possible via the full name field before versions 13.11.6, 13.12.6, and 14.0.2 in GitLab CE

Weakness: CWE-74

Which versions are affected by CVE-2021-22232?

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

PackageAffectedFixed in
gitlab BitnamiFrom 9.5.013.11.6, 13.12.6, 14.0.2

Products include Gitlab Gitlab.

How do I fix CVE-2021-22232?

Upgrade gitlab to a fixed version for your release line: 13.11.6, 13.12.6 or 14.0.2.

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-2021-22232 being exploited?

There is no known exploitation of CVE-2021-22232 in the wild and no public exploit code.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2021-22232, GHSA-q5w6-p37j-cwr4, UBUNTU-CVE-2021-22232.

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