HTML Injection Vulnerability in GitLab CE/EE
CVE-2024-8186

5.4MEDIUM

Key Information:

Vendor
Gitlab
Status
Gitlab
Vendor
CVE Published:
3 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

An HTML injection vulnerability has been identified in GitLab CE/EE affecting various versions. This flaw could allow an attacker to introduce malicious HTML into the child item search feature. If exploited, this vulnerability has the potential to lead to cross-site scripting (XSS) attacks, which could compromise user sessions and site integrity. Users are urged to update to the latest versions to mitigate the risk.

Affected Version(s)

GitLab 16.6 < 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-2024-8186 - Proof of Concept

References

https://gitlab.com/gitlab-org/gitlab/-/issues/480751
issue-trackingpermissions-required
https://hackerone.com/reports/2655757
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
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
.