Multiple cross-site scripting (XSS) vulnerabilities in Mambo Site Server 4.0.11 allow remote attackers to execute arbitrary script on other clients via (1) search.php and (2) the "Your name" field during account registration.
https://exchange.xforce.ibmcloud.com/vulnerabilities/10859
https://exchange.xforce.ibmcloud.com/vulnerabilities/10854
http://www.securityfocus.com/bid/6386
http://archives.neohapsis.com/archives/bugtraq/2002-12/0111.html