CVE-2025-66299
High · 8.8CVSS
8.8
EPSS
0.6%
Published
Dec 1, 2025
CISA due date
—
The record
Security Sandbox Bypass with SSTI (Server Side Template Injection) in the Grav CMS
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Packagist | getgrav/grav | 0 | 1.8.0-beta.27 |
Related vulnerabilities
- GHSA-gjc5-8cfh-653x Grav is Vulnerable to Security Sandbox Bypass with SSTI (Server Side Template Injection) Same vulnerability
- GHSA-729w-j79f-2c34 Grav may be vulnerable to SSRF attack via Twig Templates Also affects getgrav/grav
- GHSA-mh85-44c2-3m97 Grav is vulnerable to Stored XSS through authenticated user-edited content Also affects getgrav/grav
- CVE-2025-66844 Grav may be vulnerable to SSRF attack via Twig Templates Also affects getgrav/grav
- CVE-2025-66843 Grav is vulnerable to Stored XSS through authenticated user-edited content Also affects getgrav/grav
- GHSA-cchq-397m-q2qm Grav CMS is vulnerable to Cross Site Scripting (XSS) in the page editor Also affects getgrav/grav
- CVE-2025-65186 Grav CMS 1.7.49 is vulnerable to Cross Site Scripting (XSS). Also affects getgrav/grav
- GHSA-8535-hvm8-2hmv Grav is vulnerable to Server-Side Template Injection (SSTI) via Forms Also affects getgrav/grav