CVE-2025-4278

HIGH

Published Jun 12, 2025 Modified Aug 8, 2025 CWE-80

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.

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CVSS v3.1 Score

8.7

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Weakness Type (CWE)

CWE-80 CWE-80

Affected Products

Vendor	Product	Versions
gitlab	gitlab	18.0.0 — 18.0.2
gitlab	gitlab	18.0.0 — 18.0.2

References

Other References

https://gitlab.com/gitlab-org/gitlab/-/issues/539198 https://hackerone.com/reports/3085738

Frequently Asked Questions

What is CVE-2025-4278? +

An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover. It has a CVSS v3.1 base score of 8.7 (HIGH).

How severe is CVE-2025-4278? +

CVE-2025-4278 has a CVSS v3.1 score of 8.7 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-4278? +

CVE-2025-4278 affects products from gitlab, specifically: gitlab. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-4278? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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