Working state

views/admin/posts/form.twig

@@ -130,7 +130,20 @@
                     serverPath: '/admin/media/upload',
                     fileFieldName: 'file',
                     urlPropertyName: 'url',
-                    statusPropertyName: 'success'
+                    statusPropertyName: 'success',
+                    headers: {
+                        'X-Requested-With': 'XMLHttpRequest'
+                    },
+                    data: [
+                        {
+                            name: '{{ csrf.keys.name }}',
+                            value: '{{ csrf.name }}'
+                        },
+                        {
+                            name: '{{ csrf.keys.value }}',
+                            value: '{{ csrf.value }}'
+                        }
+                    ]
                 }
             }
         });