Cross-site Scripting (XSS)
Horde Groupware Webmail Edition is vulnerable to cross-site scripting XSS. The attacker can send a plain text e-mail message, with JavaScript encoded as a link or email that is mishandled by preProcess in Text2html.php, because bespoke use of \x00\x00\x00 and \x01\x01\x01 interferes with XSS...