Grav is vulnerable to Server Side Template Injection via Twig. According to a previous vulnerability report, Twig should not render dangerous functions by default, such as system.
{
"github_reviewed_at": "2022-07-05T22:13:18Z",
"nvd_published_at": "2022-06-29T19:15:00Z",
"cwe_ids": [
"CWE-94"
],
"severity": "HIGH",
"github_reviewed": true
}