Ticket #49872: 49872.patch

src/wp-includes/functions.php

@@ -902 +902 @@
 
                                 // Check to see if we can figure out the mime type from the extension.
                                 $url_parts = @parse_url( $url );
-                                if ( false !== $url_parts ) {
+                                if ( false !== $url_parts && ! empty( $url_parts['path'] ) ) {
                                         $extension = pathinfo( $url_parts['path'], PATHINFO_EXTENSION );
                                         if ( ! empty( $extension ) ) {
                                                 foreach ( wp_get_mime_types() as $exts => $mime ) {