CVE-2023-2164 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
An attacker can execute arbitrary scripts in victim browsers via a crafted URL in the GitLab WebIDE beta feature.
- 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-2023-2164?
CVE-2023-2164 is a medium-severity cross-site scripting vulnerability in Gitlab Gitlab, published on 1 Aug 2023. 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 affecting all versions starting from 15.9 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. It was possible for an attacker to trigger a stored XSS vulnerability via user interaction with a crafted URL in the WebIDE beta.
Weakness: CWE-79
Which versions are affected by CVE-2023-2164?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 15.9.0 | 16.0.8, 16.1.3, 16.2.2 |
Products include Gitlab Gitlab.
How do I fix CVE-2023-2164?
Upgrade gitlab to a fixed version for your release line: 16.0.8, 16.1.3 or 16.2.2.
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-2023-2164 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2164 exists.
Other vulnerabilities in Gitlab Gitlab
- CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound
- CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal
- CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control
- CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution
- CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF)
Sources
Also known as BIT-gitlab-2023-2164, GHSA-4vc2-wm37-4628, UBUNTU-CVE-2023-2164.