diff --git a/mozilla/webtools/bugzilla/editkeywords.cgi b/mozilla/webtools/bugzilla/editkeywords.cgi
index 51294206dcb..2dbbeb6f3c1 100755
--- a/mozilla/webtools/bugzilla/editkeywords.cgi
+++ b/mozilla/webtools/bugzilla/editkeywords.cgi
@@ -123,6 +123,7 @@ unless (UserInGroup("editkeywords")) {
 
 
 my $action  = trim($::FORM{action}  || '');
+detaint_natural($::FORM{id});
 
 
 if ($action eq "") {