diff --git a/mozilla/webtools/bugzilla/Bugzilla/Template.pm b/mozilla/webtools/bugzilla/Bugzilla/Template.pm
index f90e472b55f..49954a52156 100644
--- a/mozilla/webtools/bugzilla/Bugzilla/Template.pm
+++ b/mozilla/webtools/bugzilla/Bugzilla/Template.pm
@@ -520,6 +520,7 @@ sub create {
                 $var =~ s/\n/\\n/g;
                 $var =~ s/\r/\\r/g;
                 $var =~ s/\@/\\x40/g; # anti-spam for email addresses
+                $var =~ s/</\\x3c/g;
                 return $var;
             },