The Restaurant Menu WordPress plugin before 2.3.6 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

The Restaurant Menu – Food Ordering System – Table Reservation plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.3.1. This is due to missing or incorrect nonce validation on several functions called via AJAX actions such as forms_action, set_option, & chosen_options to name a few . This makes it possible for unauthenticated attackers to perform a variety of administrative actions like modifying forms, via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

The Restaurant Menu – Food Ordering System – Table Reservation plugin for WordPress is vulnerable to authorization bypass via several AJAX actions in versions up to, and including 2.3.0 due to missing capability checks and missing nonce validation. This makes it possible for authenticated attackers with minimal permissions to perform a wide variety of actions such as modifying the plugin's settings and modifying the ordering system preferences.