CVE-2025-2254

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 17.9 before 17.10.8, 17.11 before 17.11.4, and 18.0 before 18.0.2. Improper output encoding in the snipper viewer functionality lead to Cross-Site scripting attacks.

Remediation

Solution:

  • Upgrade to versions 17.10.8, 17.11.4, 18.0.2 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/524636 issue tracking permissions required
https://hackerone.com/reports/2973939 technical description exploit permissions required

Frequently Asked Questions

What is the severity of CVE-2025-2254?
CVE-2025-2254 has been scored as a high severity vulnerability.
How to fix CVE-2025-2254?
To fix CVE-2025-2254: Upgrade to versions 17.10.8, 17.11.4, 18.0.2 or above.
Is CVE-2025-2254 being actively exploited in the wild?
It is possible that CVE-2025-2254 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-2025-2254?
CVE-2025-2254 affects GitLab GitLab.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.