Index: modules/node/node.pages.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.pages.inc,v
retrieving revision 1.30
diff -u -F^f -r1.30 node.pages.inc
--- modules/node/node.pages.inc	14 Apr 2008 17:48:38 -0000	1.30
+++ modules/node/node.pages.inc	10 Jun 2008 02:06:32 -0000
@@ -11,7 +11,7 @@
  * Menu callback; presents the node editing form, or redirects to delete confirmation.
  */
 function node_page_edit($node) {
-  drupal_set_title($node->title);
+  drupal_set_title(check_plain($node->title));
   return drupal_get_form($node->type . '_node_form', $node);
 }