Ticket #19607: 19607.diff

wp-includes/class-wp.php

@@ -481 +481 @@
                                         status_header( 200 );
                                 return;
                         }
+                        
+                        if ( (site_url() != home_url()) && ('wp-admin' == substr( $this->request, 0, 8 ) || 'wp-login.php' == substr( $this->request, 0, 12 )) ) {
+                                wp_safe_redirect(site_url($_SERVER['REQUEST_URI']));
+                                exit;
+                        }
+
                         $wp_query->set_404();
                         status_header( 404 );
                         nocache_headers();