CVE-2020-10078 Cross-site scripting in n/a
Stored XSS in GitLab merge request form allows attackers to execute scripts in victim browsers, potentially leading to session hijacking or data theft.
- 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-2020-10078?
CVE-2020-10078 is a medium-severity cross-site scripting vulnerability in Gitlab Gitlab, published on 13 Mar 2020. 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
GitLab 12.1 through 12.8.1 allows XSS. The merge request submission form was determined to have a stored cross-site scripting vulnerability.
Weakness: CWE-79
Which versions are affected by CVE-2020-10078?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 12.1.0 | 12.8.2 |
Products include Gitlab Gitlab.
How do I fix CVE-2020-10078?
Upgrade gitlab to 12.8.2 or later.
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-2020-10078 being exploited?
There is no known exploitation of CVE-2020-10078 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-2020-10078, GHSA-fh73-gxwx-h999.