What is CVE-2023-3500?

CVE-2023-3500 is an issue in GitLab CE/EE that affects versions starting from 10.0 before 16.0.8.

What is the severity of CVE-2023-3500?

CVE-2023-3500 has a severity rating of 6.1, which is considered medium.

How can CVE-2023-3500 be exploited?

CVE-2023-3500 can be exploited through a reflected XSS vulnerability when creating specific PlantUML diagrams.

Where can I find more information about CVE-2023-3500?

You can find more information about CVE-2023-3500 on the GitLab issue page (https://gitlab.com/gitlab-org/gitlab/-/issues/416902) and the HackerOne report (https://hackerone.com/reports/2010926).

Vulnerability/
CVE-2023-3500

medium

6.1

CWE

2/8/2023

18/9/2024

CVE-2023-3500: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

Q: Which versions of GitLab are affected by CVE-2023-3500?

CVE-2023-3500 affects all versions starting from 10.0 before 16.0.8, all versions starting from 16.1 before 16.1.3, and all versions starting from 16.2 before 16.2.2.

First published: Wed Aug 02 2023(Updated: )

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.0 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A reflected XSS was possible when creating specific PlantUML diagrams that allowed the attacker to perform arbitrary actions on behalf of victims.

Credit: cve@gitlab.com cve@gitlab.com

Affected Software	Affected Version	How to fix
GitLab	>=10.0<16.0.8
GitLab	>=10.0<16.0.8
GitLab	>=16.1<16.1.3
GitLab	>=16.1<16.1.3
GitLab	>=16.2<16.2.2
GitLab	>=16.2<16.2.2

Remedy

Upgrade to versions 16.2.2, 16.1.3, 16.0.8 or above.

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Reference Links

Frequently Asked Questions

What is CVE-2023-3500?
CVE-2023-3500 is an issue in GitLab CE/EE that affects versions starting from 10.0 before 16.0.8.
What is the severity of CVE-2023-3500?
CVE-2023-3500 has a severity rating of 6.1, which is considered medium.
How can CVE-2023-3500 be exploited?
CVE-2023-3500 can be exploited through a reflected XSS vulnerability when creating specific PlantUML diagrams.
Which versions of GitLab are affected by CVE-2023-3500?
CVE-2023-3500 affects all versions starting from 10.0 before 16.0.8, all versions starting from 16.1 before 16.1.3, and all versions starting from 16.2 before 16.2.2.
Where can I find more information about CVE-2023-3500?
You can find more information about CVE-2023-3500 on the GitLab issue page (https://gitlab.com/gitlab-org/gitlab/-/issues/416902) and the HackerOne report (https://hackerone.com/reports/2010926).

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version/gitlab/10.0
version/gitlab/16.1
version/gitlab/16.2

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