Cross-Site Scripting Vulnerability in GitLab CE/EE
CVE-2025-2254

8.7HIGH

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
12 June 2025

What is CVE-2025-2254?

A vulnerability has been identified in GitLab CE/EE which affects multiple versions, allowing improper output encoding in the snippet viewer functionality. This weakness can be exploited by attackers to execute malicious scripts in the context of the user's session, potentially compromising user data and affecting overall security. It's crucial for users of affected GitLab versions to implement the latest patches to mitigate the risk associated with this vulnerability.

Affected Version(s)

GitLab 17.9 < 17.10.8

GitLab 17.11 < 17.11.4

GitLab 18.0 < 18.0.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/524636
issue-trackingpermissions-required
https://hackerone.com/reports/2973939
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

  • Vulnerability Reserved

Credit

Thanks [yvvdwf](https://hackerone.com/yvvdwf) for reporting this vulnerability through our HackerOne bug bounty program
.
CVE-2025-2254 : Cross-Site Scripting Vulnerability in GitLab CE/EE