Server-Side Template Injection (SSTI) with Grav CMS security sandbox bypass

Summary Grav CMS is vulnerable to a Server-Side Template Injection SSTI, which allows any authenticated user editor permissions are sufficient to execute arbitrary code on the remote server bypassing the existing security sandbox. Details The Grav CMS implements a custom sandbox to protect the...

GHSA-C9GP-64C4-2RRH Server-Side Template Injection (SSTI) with Grav CMS security sandbox bypass

Summary Grav CMS is vulnerable to a Server-Side Template Injection SSTI, which allows any authenticated user editor permissions are sufficient to execute arbitrary code on the remote server bypassing the existing security sandbox. Details The Grav CMS implements a custom sandbox to protect the...