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CVE-2023-3500

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CVE-2023-3500

Published: Aug 2, 2023

Modified: Nov 20, 2025

PUBLISHED

CVSS v3.1

4.8

MEDIUM

Description

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.

VendorProductVersions

GitLab

GitLab

affected
10.0 - < 16.0.8
affected
16.1 - < 16.1.3
affected
16.2 - < 16.2.2

Weaknesses (CWE)

CWE-79

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

References

GitLab Issue #416902
issue-tracking
permissions-required
HackerOne Bug Bounty Report #2010926
technical-description
exploit
permissions-required

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