Cross-Site Scripting Vulnerability in GitLab by GitLab Inc.
CVE-2025-0475

6.1MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
3 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-0475?

A cross-site scripting vulnerability in GitLab CE/EE can occur due to a flawed proxy feature, enabling the potential for unintended content rendering. This issue affects multiple versions of GitLab, posing a risk in which malicious actors could leverage the vulnerability under specific scenarios, potentially leading to exploitation through the execution of arbitrary scripts in the context of users' browsers.

Affected Version(s)

GitLab 15.10 < 17.7.6

GitLab 17.8 < 17.8.4

GitLab 17.9 < 17.9.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-0475 - Proof of Concept

References

https://gitlab.com/gitlab-org/gitlab/-/issues/513142
issue-trackingpermissions-required
https://hackerone.com/reports/2932309
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thanks [joaxcar](https://hackerone.com/joaxcar) for reporting this vulnerability through our HackerOne bug bounty program
.