CVE-2021-22185 Cross-site scripting in GitLab
An attacker can execute arbitrary scripts in victim browsers via stored XSS in GitLab wikis, potentially leading to session hijacking or data theft.
- 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-2021-22185?
CVE-2021-22185 is a medium-severity cross-site scripting vulnerability in Gitlab Gitlab, published on 24 Mar 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
Insufficient input sanitization in wikis in GitLab version 13.8 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted commit to a wiki
Weakness: CWE-79
Which versions are affected by CVE-2021-22185?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 13.8.0 | 13.8.5, 13.9.2 |
Products include Gitlab Gitlab.
How do I fix CVE-2021-22185?
Upgrade gitlab to a fixed version for your release line: 13.8.5 or 13.9.2.
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-2021-22185 being exploited?
There is no known exploitation of CVE-2021-22185 in the wild and no public exploit code.
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-2021-22185, GHSA-wf25-2f67-3rmc.