-<input type="hidden" name="id" value="[% id %]">
-<input type="hidden" name="sort" value="[% sort %]">
-<input type="hidden" name="closedto" value="[% closedto %]">
-<input type="hidden" name="locked" value="[% locked %]">
-<input type="hidden" name="title" value="[% title_ %]">
+<input type="hidden" name="id" value="[% id | html %]">
+<input type="hidden" name="sort" value="[% sort | html %]">
+<input type="hidden" name="closedto" value="[% closedto | html %]">
+<input type="hidden" name="locked" value="[% locked | html %]">
+<input type="hidden" name="title" value="[% title_ | html %]">