XSS 취약점 수정 박재형님 제보

adm/menu_form.php

@@ -117,6 +117,15 @@ if ($new == 'new' || !$code) {
         });
     });
 
+    function htmlEscape(str) {
+        return str
+            .replace(/&/g, '&')
+            .replace(/</g, '&lt;')
+            .replace(/>/g, '&gt;')
+            .replace(/"/g, '&quot;')
+            .replace(/'/g, '&#39;');
+    }
+
     function add_menu_list(name, link, code) {
         var $menulist = $("#menulist", opener.document);
         var ms = new Date().getTime();
@@ -126,7 +135,10 @@ if ($new == 'new' || !$code) {
         <?php } else { ?>
             sub_menu_class = " class=\"td_category sub_menu_class\"";
         <?php } ?>
-
+        
+        name = htmlEscape(name);
+        link = htmlEscape(link);
+        
         var list = "<tr class=\"menu_list menu_group_<?php echo $code; ?>\">";
         list += "<td" + sub_menu_class + ">";
         list += "<label for=\"me_name_" + ms + "\"  class=\"sound_only\">메뉴<strong class=\"sound_only\"> 필수</strong></label>";