strengthen protect_from_forgery on ErrorsController

Author: Oaphi

app/controllers/errors_controller.rb

@@ -1,7 +1,7 @@
 # Provides web actions that represent errors. Rails' standard error pages are static HTML with inline CSS; by using
 # a custom error controller we get all the layouts and CSS.
 class ErrorsController < ApplicationController
-  protect_from_forgery except: [:error], store: :cookie
+  protect_from_forgery with: :exception, except: [:error], store: :cookie
 
   def error
     @exception = request.env['action_dispatch.exception']