Multiple cross-site scripting (XSS) vulnerabilities in mesaj_formu.asp in ASP Ziyaretci Defteri 1.1 allow remote attackers to inject arbitrary web script or HTML via the (1) Isim, (2) Mesajiniz, and (3) E-posta fields.  NOTE: these probably correspond to the isim, mesaj, and posta parameters to save.php.