Update WordPress to 5.2

wp-includes/widgets/class-wp-widget-custom-html.php

@@ -143,6 +143,9 @@ class WP_Widget_Custom_HTML extends WP_Widget {
 		/** This filter is documented in wp-includes/widgets/class-wp-widget-text.php */
 		$content = apply_filters( 'widget_text', $instance['content'], $simulated_text_widget_instance, $this );
 
+		// Adds noreferrer and noopener relationships, without duplicating values, to all HTML A elements that have a target.
+		$content = wp_targeted_link_rel( $content );
+
 		/**
 		 * Filters the content of the Custom HTML widget.
 		 *