CVE-2023-5933

MEDIUM

GitLab 13.7-16.6.5, 16.7-16.7.3, 16.8 - Cross-Site Scripting via User Name Input

Title source: llm
STIX 2.1

Description

An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. Improper input sanitization of user name allows arbitrary API PUT requests.

References (3)

Core 3
Core References
Broken Link issue-tracking permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/430236
Permissions Required technical-description exploit permissions-required
https://hackerone.com/reports/2225710

Scores

CVSS v3 6.4
EPSS 0.1036
EPSS Percentile 93.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-80 CWE-79
Status published
Products (5)
gitlab/gitlab 16.8.0 (2 CPE variants)
GitLab/GitLab 13.7 - 16.6.6
gitlab/gitlab 13.7.0 - 16.6.6 (2 CPE variants)
GitLab/GitLab 16.7 - 16.7.4
GitLab/GitLab 16.8 - 16.8.1
Published Jan 26, 2024
Tracked Since Feb 18, 2026