Plataformatec Simple Form has Incorrect Access Control in file_method? in lib/simple_form/form_builder.rb, because a user-supplied string is invoked as a method call.Referenceshttps://github.com/plataformatec/simple_form/commits/masterhttps://github.com/plataformatec/simple_form/security/advisories/GHSA-r74q-gxcg-73hxhttp://blog.plataformatec.com.br/2019/09/incorrect-access-control-in-simple-form-cve-2019-16676/
