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Status published
High
CVE-2025-2254
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Thanks [yvvdwf](https://hackerone.com/yvvdwf) for reporting this vulnerability through our HackerOne bug bounty program
References
More from GitLab
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Insertion of Sensitive Information Into Sent Data in GitLab
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7.7
CVE-2025-9957
Incorrect Authorization in GitLab
Low
2.7
CVE-2025-9825
Missing Authorization in GitLab
Medium
5
CVE-2025-9642
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
High
8.7
CVE-2025-9484
Missing Authorization in GitLab
Medium
4.3
Affected Vendor
GitLab
View all reports →Affected Software
GitLab
Vulnerable Versions:
17.9, 17.11, 18.0
Timeline
Official Publish:
June 12th, 2025
Last Modified:
June 12th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N