CVE-2025-4278

HIGHNVD 8.7

8.7

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.

CVSS v3: 8.7
EG Score: —
EPSS: —
KEV: Not listed

Published

June 12, 2025

Last Modified

August 8, 2025

References (2)

cve@gitlabhttps://gitlab.com/gitlab-org/gitlab/-/issues/539198
cve@gitlabhttps://hackerone.com/reports/3085738

Vendor Advisories for CVE-2025-4278(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

patch-release-gitlab-18-0-2-released
GitLab Security
GitLab Patch Release: 18.0.2, 17.11.4, 17.10.8

Frequently asked(4)

What is CVE-2025-4278?

CVE-2025-4278 is a high vulnerability published on June 12, 2025. 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.

When was CVE-2025-4278 disclosed?

CVE-2025-4278 was first published in the National Vulnerability Database on June 12, 2025, with the most recent update on August 8, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

What is the CVSS score of CVE-2025-4278?

CVE-2025-4278 has a CVSS v3 base score of 8.7 (NVD).

How do I remediate CVE-2025-4278?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-4278, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2025-4278

📅 Published

🔄 Last Modified

🔗 References (2)

📣 Vendor Advisories for CVE-2025-4278(1)

❓ Frequently asked(4)