CVE-2025-4278

HIGHNVD 8.78.7—Trending — 4 sources updated this week

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: 8.7(medium)
EPSS: 60.1%
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

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-80Improper Neutralization of Script-Related HTML Tags

Data Freshness Timeline

(refreshed 12× in last 7d / 12× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-30 03:38 UTCEG score recompute
2026-05-30 03:38 UTCGHSA enrichment
2026-05-30 03:05 UTCOSV refresh
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

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.

Is CVE-2025-4278 actively exploited?

CVE-2025-4278 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 60.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-4278

Explore →

Is Your Infrastructure Affected by CVE-2025-4278?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2025-4278

📅 Published

🔄 Last Modified

🔗 References (2)

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

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)