CVE-2025-2443

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

Description

An issue has been discovered in GitLab EE that allows for cross-site-scripting attack and content security policy bypass in a user's browser under specific conditions, affecting all versions from 16.6 before 17.9.7, 17.10 before 17.10.5, and 17.11 before 17.11.1.

Remediation

Solution:

  • Upgrade to versions 17.9.7, 17.10.5, 17.11.1 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/525363 permissions required issue tracking
https://hackerone.com/reports/3037340 permissions required exploit technical description

Frequently Asked Questions

What is the severity of CVE-2025-2443?
CVE-2025-2443 has been scored as a high severity vulnerability.
How to fix CVE-2025-2443?
To fix CVE-2025-2443: Upgrade to versions 17.9.7, 17.10.5, 17.11.1 or above.
Is CVE-2025-2443 being actively exploited in the wild?
It is possible that CVE-2025-2443 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-2025-2443?
CVE-2025-2443 affects GitLab GitLab.
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