Index: wp-admin/install.php
===================================================================
--- wp-admin/install.php	(revision 26861)
+++ wp-admin/install.php	(working copy)
@@ -221,7 +221,7 @@
 
 		if ( $error === false ) {
 			$wpdb->show_errors();
-			$result = wp_install($weblog_title, $user_name, $admin_email, $public, '', $admin_password);
+			$result = wp_install($weblog_title, $user_name, $admin_email, $public, '', wp_slash( $admin_password ) );
 			extract( $result, EXTR_SKIP );
 ?>