Mambo CMS 4.6.5 allows remote attackers to cause a denial of service (memory and bandwidth consumption) by uploading a crafted file.
Mambo CMS 4.6.5 uses world-readable permissions on configuration.php, which allows local users to obtain the admin password hash by reading the file.
Mambo CMS 4.6.5 stores the MySQL database password in cleartext in the document root, which allows local users to obtain sensitive information via unspecified vectors.