diff -r 490d5cc509ed -r cf61fcea0001 wp/wp-includes/js/utils.js
--- a/wp/wp-includes/js/utils.js	Tue Jun 09 11:14:17 2015 +0000
+++ b/wp/wp-includes/js/utils.js	Mon Oct 14 17:39:30 2019 +0200
@@ -110,7 +110,7 @@
 		if ( typeof( expires ) === 'object' && expires.toGMTString ) {
 			expires = expires.toGMTString();
 		} else if ( parseInt( expires, 10 ) ) {
-			d.setTime( d.getTime() + ( parseInt( expires, 10 ) * 1000 ) ); // time must be in miliseconds
+			d.setTime( d.getTime() + ( parseInt( expires, 10 ) * 1000 ) ); // time must be in milliseconds
 			expires = d.toGMTString();
 		} else {
 			expires = '';
@@ -161,12 +161,12 @@
 		path = userSettings.url,
 		secure = !! userSettings.secure;
 
-	name = name.toString().replace( /[^A-Za-z0-9_]/, '' );
+	name = name.toString().replace( /[^A-Za-z0-9_-]/g, '' );
 
 	if ( typeof value === 'number' ) {
 		value = parseInt( value, 10 );
 	} else {
-		value = value.toString().replace( /[^A-Za-z0-9_]/, '' );
+		value = value.toString().replace( /[^A-Za-z0-9_-]/g, '' );
 	}
 
 	settings = settings || {};
@@ -195,3 +195,4 @@
 
 	return wpCookies.getHash( 'wp-settings-' + userSettings.uid ) || {};
 }
+