diff --git a/webtools/bugzilla/editkeywords.cgi b/webtools/bugzilla/editkeywords.cgi
index 073dfbb9d4da..7af0c1a6c2f7 100755
--- a/webtools/bugzilla/editkeywords.cgi
+++ b/webtools/bugzilla/editkeywords.cgi
@@ -126,6 +126,7 @@ unless (UserInGroup("editkeywords")) {
 
 
 my $action  = trim($::FORM{action}  || '');
+detaint_natural($::FORM{id});
 
 
 if ($action eq "") {