Cms (>= 5.0.0, <= 5.3.3)

A missing authorization vulnerability in Kirby CMS allows authenticated users to bypass intended access restrictions on pages and files, potentially leading to unauthorized information disclosure and content modification; patched in versions 4.9.0 and 5.4.0.

Kirby CMS versions before 4.9.0 and between 5.0.0 and 5.3.3 contain a missing authorization vulnerability, allowing authenticated Panel users to access site model, user, and role information without proper permission checks, potentially leading to unauthorized information disclosure.