Multiple cross-site scripting (XSS) vulnerabilities in apps/users/registration.template.php in Baby Gekko 1.2.0 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) username, (2) email_address, (3) password, (4) password_verify, (5) firstname, (6) lastname, or (7) verification_code parameter to users/action/register.  NOTE: some of these details are obtained from third party information.