CVE-2025-7739

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

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 18.2 before 18.2.2 that, under certain conditions, could have allowed authenticated users to achieve stored cross-site scripting by injecting malicious HTML content in scoped label descriptions.

Remediation

Solution:

  • Upgrade to version 18.2.2 or above.

Category

8.7
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.02%
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/556111 broken link issue tracking permissions required
https://hackerone.com/reports/3255849 technical description exploit permissions required

Frequently Asked Questions

What is the severity of CVE-2025-7739?
CVE-2025-7739 has been scored as a high severity vulnerability.
How to fix CVE-2025-7739?
To fix CVE-2025-7739: Upgrade to version 18.2.2 or above.
Is CVE-2025-7739 being actively exploited in the wild?
It is possible that CVE-2025-7739 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-2025-7739?
CVE-2025-7739 affects GitLab GitLab.
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