The Amelia WordPress plugin before 1.0.48 does not have proper authorisation when handling Amelia SMS service, allowing any customer to send paid test SMS notification as well as retrieve sensitive information about the admin, such as the email, account balance and payment history. A malicious actor can abuse this vulnerability to drain out the account balance by keep sending SMS notification.

The Amelia WordPress plugin before 1.0.49 does not have proper authorisation when managing appointments, allowing any customer to update other's booking status, as well as retrieve sensitive information about the bookings, such as the full name and phone number of the person who booked it.

The Amelia WordPress plugin before 1.0.47 does not have proper authorisation when managing appointments, allowing any customer to update other's booking, as well as retrieve sensitive information about the bookings, such as the full name and phone number of the person who booked it.

The Amelia WordPress plugin is vulnerable to Cross-Site Scripting due to insufficient escaping and sanitization of the lastName parameter found in the ~/src/Application/Controller/User/Customer/AddCustomerController.php file which allows attackers to inject arbitrary web scripts onto a pages that executes whenever a user accesses the booking calendar with the date the attacker has injected the malicious payload into. This affects versions up to and including 1.0.46.

The Amelia WordPress plugin before 1.0.47 stores image blobs into actual files whose extension is controlled by the user, which may lead to PHP backdoors being uploaded onto the site. This vulnerability can be exploited by logged-in users with the custom "Amelia Manager" role.

The Amelia WordPress plugin before 1.0.47 does not sanitize and escape the code parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting.

The Amelia WordPress plugin before 1.0.47 does not have CSRF check in place when deleting customers, which could allow attackers to make a logged in admin delete arbitrary customers via a CSRF attack