Ticket #14834: clipboard.patch

wp-includes/pluggable.php

@@ -178 +178 @@
                         $field = 'user_nicename';
                         break;
                 case 'email':
-                        $user_id = wp_cache_get($value, 'useremail');
+                        if ( strlen( $value ) )
+                                $user_id = wp_cache_get($value, 'useremail');
+                        else
+                                return false;
                         $field = 'user_email';
                         break;
                 case 'login':