CVE-2025-0555

Public Exploit
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

Description

A Cross Site Scripting (XSS) vulnerability in GitLab-EE affecting all versions from 16.6 prior to 17.7.6, 17.8 prior to 17.8.4, and 17.9 prior to 17.9.1 allows an attacker to bypass security controls and execute arbitrary scripts in a users browser under specific conditions.

Remediation

Solution:

  • Upgrade to versions 17.7.6, 17.8.4, 17.9.1 or above.

Category

7.7
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.09%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/514004 issue tracking permissions required broken link
https://hackerone.com/reports/2939833 permissions required technical description exploit

Frequently Asked Questions

What is the severity of CVE-2025-0555?
CVE-2025-0555 has been scored as a high severity vulnerability.
How to fix CVE-2025-0555?
To fix CVE-2025-0555: Upgrade to versions 17.7.6, 17.8.4, 17.9.1 or above.
Is CVE-2025-0555 being actively exploited in the wild?
It is possible that CVE-2025-0555 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-0555?
CVE-2025-0555 affects GitLab GitLab.
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