Ticket #16379: 16379.9.patch

wp-admin/includes/post.php

@@ -1349 +1349 @@
         }
 
         // If a new front page was meant to be created, go forth and create it.
-        if ( 'new' == $_POST['page_on_front'] ) {
+        if ( ! isset( $_POST['page_on_front'] ) || 'new' == $_POST['page_on_front'] ) {
 
                 // If the user can't create pages, revert.
                 if ( ! current_user_can( 'create_posts', 'page' ) ) {