CVE-2025-6948

HIGH

GitLab 17.11.0-17.11.5, 18.0.0-18.0.3, 18.1.0-18.1.1 - Cross-Site Scripting

Title source: llm

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 17.11 before 17.11.6, 18.0 before 18.0.4, and 18.1 before 18.1.2 that, under certain conditions, could have allowed a successful attacker to execute actions on behalf of users by injecting malicious content.

References (2)

Core 2

Core References

Broken Link issue-tracking permissions-required

https://gitlab.com/gitlab-org/gitlab/-/issues/552616

Permissions Required technical-description exploit permissions-required

https://hackerone.com/reports/3227316

Scores

CVSS v3 8.7

EPSS 0.0020

EPSS Percentile 42.1%

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 none

Automatable no

Technical Impact total

Details

CWE

CWE-79

Status published

Products (1)

gitlab/gitlab 17.11.0 - 17.11.6 (2 CPE variants)

Published Jul 10, 2025

Tracked Since Feb 18, 2026