CVE-2023-3500

MEDIUM

GitLab CE/EE <16.0.8-16.1.3-16.2.2 - Reflected XSS

Title source: llm

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.

References (2)

[Broken Link] https://gitlab.com/gitlab-org/gitlab/-/issues/416902

[Permissions Required] https://hackerone.com/reports/2010926

Scores

CVSS v3 4.8

EPSS 0.0044

EPSS Percentile 62.7%

Attack Vector NETWORK

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

Classification

CWE

CWE-79

Status published

Affected Products (2)

gitlab/gitlab < 16.0.8

Timeline

Published Aug 02, 2023

Tracked Since Feb 18, 2026