CVE:CVE-2008-6597
CNNVD:CNNVD-200904-065
PHCDownload 1.1版本中的upload/install/index.php存在跨站脚本攻击漏洞。远程攻击者可以借助step参数，注入任意的web脚本或HTML。
solution:Upgrade phpcredo phcdownload to a higher version than 1.1,and avoid the version 1.1