TurnkeyForms Web Hosting Directory allows remote attackers to bypass authentication and (1) gain administrative privileges by setting the adm cookie to 1 or (2) gain privileges as another user by setting the logged cookie to the target username.
TurnkeyForms Web Hosting Directory stores sensitive information under the web root with insufficient access control, which allows remote attackers to obtain a database backup via a direct request to admin/backup/db.
SQL injection vulnerability in the login functionality in TurnkeyForms Web Hosting Directory allows remote attackers to execute arbitrary SQL commands via the password field.