What is CVE-2025-66844?

CVE-2025-66844 is a critical-severity vulnerability in Getgrav Grav, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.1/10. Published 2025-12-15.

How severe is CVE-2025-66844?

Critical severity. CVSS v3 base score is 9.1 out of 10.

SSRF in Getgrav Grav

CVE-2025-66844

In grav <1.7.49.5, a SSRF (Server-Side Request Forgery) vector may be triggered via Twig templates when page content is processed by Twig and the configuration allows undefined PHP functions to be registered

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.003 (16.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Getgrav Grav
N/a — versions n/a

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

cve@mitre.org (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2025-66844?: CVE-2025-66844 is a critical-severity vulnerability in Getgrav Grav, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.1/10. Published 2025-12-15.
How severe is CVE-2025-66844?: Critical severity. CVSS v3 base score is 9.1 out of 10.