An issue was discovered in S-CMS 1.0. It allows reading certain files, such as PHP source code, via the admin/download.php DownName parameter with a mixed-case extension, as demonstrated by a DownName=download.Php value.
s-cms 3.0 allows remote attackers to execute arbitrary PHP code by placing this code in a crafted User-agent Disallow value in the robots.php txt parameter.