GitLab CE/EE Vulnerability: Stored XSS Flaw Affects All Versions
CVE-2024-2279

8.7HIGH

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
12 April 2024

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-2279?

A vulnerability has been identified in GitLab CE/EE that permits the execution of a stored Cross-Site Scripting (XSS) attack through the autocomplete feature for issue references. This flaw affects all versions from 16.7 to 16.8.6, all versions 16.9 before 16.9.4, and all versions 16.10 before 16.10.2. Attackers could exploit this vulnerability by injecting a carefully crafted payload, allowing them to perform unauthorized actions on behalf of users who engage with the affected issue references.

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Affected Version(s)

GitLab 16.7 < 16.8.6

GitLab 16.9 < 16.9.4

GitLab 16.10 < 16.10.2

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-2024-2279 - Proof of Concept

References

https://gitlab.com/gitlab-org/gitlab/-/issues/448469
issue-tracking
https://hackerone.com/reports/2404710
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

Credit

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