CVE-2023-0042 Open redirect in GitLab
GitLab Pages allows redirection to arbitrary protocols, enabling attackers to bypass security controls and potentially redirect users to malicious sites.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-0042?
CVE-2023-0042 is a medium-severity vulnerability in Gitlab Gitlab, published on 12 Jan 2023. An attacker can exploit it over the internet without logging in, 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 11.4 prior to 15.5.7, 15.6 prior to 15.6.4, and 15.7 prior to 15.7.2. GitLab Pages allows redirection to arbitrary protocols.
Weakness: CWE-601
Which versions are affected by CVE-2023-0042?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 11.4.0 | 15.5.7, 15.6.4, 15.7.2 |
Products include Gitlab Gitlab.
How do I fix CVE-2023-0042?
Upgrade gitlab to a fixed version for your release line: 15.5.7, 15.6.4 or 15.7.2.
Is CVE-2023-0042 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0042 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-2023-0042, GHSA-8cg9-5v35-372m, UBUNTU-CVE-2023-0042.