GitLab XSS Vulnerability Affects Sensitive User Information
CVE-2024-4835

8.2HIGH

Key Information:

Vendor
Gitlab
Status
Gitlab
Vendor
CVE Published:
23 May 2024

Badges

👾 Exploit Exists🟡 Public PoC📰 News Worthy

Summary

A Cross-Site Scripting (XSS) vulnerability has been identified in GitLab, affecting multiple versions prior to 16.10.6, 16.11.3, and 17.0.1. Exploitation of this flaw allows attackers to create malicious web pages that can extract sensitive user data. By manipulating the XSS condition, adversaries can potentially gain access to credentials and other private information from unaware users accessing the compromised pages.

Affected Version(s)

GitLab 15.11 < 16.10.6

GitLab 16.11 < 16.11.3

GitLab 17.0 < 17.0.1

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-2024-4835 - Proof of Concept

News Articles

favicon imageSecurity-Insider

GitLab Sicherheitsupdates: CVE-2024-4835 Cross-Site-Scripting Lücke behoben

GitLab veröffentlicht wichtige Sicherheitsupdates, um CVE-2024-4835 Cross-Site-Scripting Schwachstelle und weitere Lücken zu schließen. Admins sollten sofort aktualisieren.

6 months ago

References

https://gitlab.com/gitlab-org/gitlab/-/issues/461328
issue-trackingpermissions-required
https://hackerone.com/reports/2497024
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • 📰

    First article discovered by Security-Insider

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database1 Proof of Concept(s)1 News Article(s)

Credit

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