Ticket #51929: 51929.diff

src/wp-includes/media.php

@@ -3190 +3190 @@
                         $type = wp_check_filetype( $atts['src'], wp_get_mime_types() );
 
                         if ( ! in_array( strtolower( $type['ext'] ), $default_types, true ) ) {
-                                return sprintf( '<a class="wp-embedded-video" href="%s">%s</a>', esc_url( $atts['src'] ), esc_html( $atts['src'] ) );
+                                return sprintf( '<p><a class="wp-embedded-video" href="%s">%s</a></p>', esc_url( $atts['src'] ), esc_html( $atts['src'] ) );
                         }
                 }