CVE-2025-66298 HIGH

CVE-2025-66298: Grav is vulnerable to Server-Side Template Injection (SSTI) via Forms

Vendor Getgrav
Product grav
Weakness CWE-1336
Published December 1, 2025
Last update December 2, 2025
View on NVD All CVEs

CVSS base score

7.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, having a simple form on site can reveal the whole Grav configuration details (including plugin configuration details) by using the correct POST payload to exploit a Server-Side Template (SST) vulnerability. Sensitive information may be contained in the configuration details. This vulnerability is fixed in 1.8.0-beta.27.

Key dates

02Disclosure timeline

December 1, 2025 CVE published
December 2, 2025 Record updated