Multiple cross-site scripting (XSS) vulnerabilities in Annuaire 1Two 1.1 and earlier allow remote attackers to inject arbitrary web script or HTML via (1) the id parameter to index.php, or the (2) site_id, (3) nom, (4) email, or (5) commentaire parameters in commentaires.php.
http://www.securityfocus.com/bid/13961
http://www.securityfocus.com/bid/13960
http://www.securityfocus.com/bid/13612
http://www.hackisknowledge.org/Advisories/Annuaire%201Two%20v1.0/Annuaire%201Two%20v1.0.html