What is CVE-2025-66301?

CVE-2025-66301 is a critical-severity vulnerability in Getgrav Grav, classified under Improper Authorization. CVSS score: 9.6/10. Published 2025-12-01.

How severe is CVE-2025-66301?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Is CVE-2025-66301 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Getgrav Grav

CVE-2025-66301

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, due to improper authorization checks when modifying critical fields on a POST request to /admin/pages/{page_name}, an editor with only permissions to change basic content on the fo…

EPSS: 0.013 (66.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

Getgrav Grav — versions 1.8.0, < 1.8.0-beta.27

Weakness classification (CWE)

CWE-285 — Improper Authorization

Public proof-of-concept exploits

rapid7/metasploit-framework

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-66301?: CVE-2025-66301 is a critical-severity vulnerability in Getgrav Grav, classified under Improper Authorization. CVSS score: 9.6/10. Published 2025-12-01.
How severe is CVE-2025-66301?: Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2025-66301 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.