diff --git a/wp-includes/version.php b/wp-includes/version.php
index 43f3a48cdd..34673a3d52 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.4-beta1-47307';
+$wp_version = '5.4-beta1-47308';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
diff --git a/wp-includes/widgets/class-wp-widget-media-video.php b/wp-includes/widgets/class-wp-widget-media-video.php
index cd22bca5b2..993af35a65 100644
--- a/wp-includes/widgets/class-wp-widget-media-video.php
+++ b/wp-includes/widgets/class-wp-widget-media-video.php
@@ -129,7 +129,7 @@ class WP_Widget_Media_Video extends WP_Widget_Media {
 		$youtube_pattern = '#^https?://(?:www\.)?(?:youtube\.com/watch|youtu\.be/)#';
 		$vimeo_pattern   = '#^https?://(.+\.)?vimeo\.com/.*#';
 
-		if ( preg_match( $youtube_pattern, $src ) || preg_match( $vimeo_pattern, $src ) ) {
+		if ( $attachment || preg_match( $youtube_pattern, $src ) || preg_match( $vimeo_pattern, $src ) ) {
 			add_filter( 'wp_video_shortcode', array( $this, 'inject_video_max_width_style' ) );
 
 			echo wp_video_shortcode(