Joomla! is a free and open-source content management system(CMS) for publishing web content. It is built on a model-view-controller web application framework that can be used independently of the CMS. Before 3.9.16.Incorret Access Control in the SQL fieldtype of com_fieldtype of com_fields allows access for non-superadmin users. This rule supports to defend the A6: Vulnerable and Outdated Components of OWASP Top 10 - 2021. Other reference:None