Cross-site scripting (XSS) vulnerability in guestbook.php in phpBook 1.46 allows remote malicious users to inject arbitrary web script or HTML via the admin parameter.
source: wwwsecurityfocuscom/bid/14390/info
NETonE PHPBook is prone to a cross-site scripting vulnerability because the application fails to properly sanitize user-supplied input to the 'admin' parameter of the 'guestbookphp' script
A successful exploit could allow an attacker to steal cookie-based authentication credentials and launch ...