CVE-2023-2442

HIGH

GitLab 15.11.0-15.11.6 and 16.0.0-16.0.1 - Stored Cross-Site Scripting via Merge Request

Title source: llm

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A specially crafted merge request could lead to a stored XSS on the client side which allows attackers to perform arbitrary actions on behalf of victims.

References (3)

Core 3

Core References

Vendor Advisory

https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2442.json

Broken Link

https://gitlab.com/gitlab-org/gitlab/-/issues/409346

Permissions Required, Third Party Advisory

https://hackerone.com/reports/1965750

Scores

CVSS v3 8.7

EPSS 0.8436

EPSS Percentile 99.3%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-79

Status published

Products (1)

gitlab/gitlab 15.11.0 - 15.11.7 (2 CPE variants)

Published Jun 07, 2023

Tracked Since Feb 18, 2026