admin.php in PHP-Stats 0.1.9.1 and earlier allows remote attackers to bypass authentication, gain administrator privileges, and execute arb…

admin.php in PHP-Stats 0.1.9.1 and earlier allows remote attackers to bypass authentication, gain administrator privileges, and execute arbitrary PHP code by modifying the option[admin_pass] parameter and setting the pass_cookie to the MD5 hash of the specified password.