Input validation vulnerability in Restaurant Reservations 1.9

A plugin called Restaurant Reservations for the website platform WordPress has a security vulnerability that affects all versions up to 1.9. This vulnerability, known as Local File Inclusion, can be exploited by attackers with contributor-level access or higher. It allows them to insert and run their own PHP files on the server, giving them the ability to run any code within those files. This could potentially lead to bypassing security measures, accessing private information, or executing code that may not normally be accessible.