CVE-2023-2200 Improper Encoding or Escaping of Output in GitLab
An attacker can inject HTML into email address fields in GitLab, potentially leading to cross-site scripting attacks and account compromise.
- 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-2023-2200?
CVE-2023-2200 is a medium-severity cross-site scripting vulnerability in Gitlab Gitlab, published on 13 Jul 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 CE/EE affecting all versions starting from 7.14 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1, which allows an attacker to inject HTML in an email address field.
Which versions are affected by CVE-2023-2200?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 7.14.0 | 15.11.10, 16.0.6, 16.1.1 |
Products include Gitlab Gitlab.
How do I fix CVE-2023-2200?
Upgrade gitlab to a fixed version for your release line: 15.11.10, 16.0.6 or 16.1.1.
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-2023-2200 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2200 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-2023-2200, GHSA-w7pv-hcjh-p9w4, UBUNTU-CVE-2023-2200.