The password change feature (admin/cp.php) in VideoScript 4.0.1.50 and earlier does not check for administrative authentication and does not require knowledge of the original password, which allows remote attackers to change the admin account password via modified npass and npass1 parameters.

Multiple SQL injection vulnerabilities in admin/index.php in VideoScript.us YouTube Video Script allow remote attackers to execute arbitrary SQL commands via the (1) username and (2) password parameters.