GHSA-GJC5-8CFH-653X Grav is Vulnerable to Security Sandbox Bypass with SSTI (Server Side Template Injection)

Summary Grav CMS is vulnerable to a Server-Side Template Injection SSTI that allows any authenticated user with editor permissions to execute arbitrary code on the remote server, bypassing the existing security sandbox. Details Grav CMS uses a custom sandbox to protect the powerful Twig methods...