WordPress JS Restaurant Plugin SQL Injection Vulnerability

Summary
This host is running WordPress JS Restaurant plugin and is prone to sql injection vulnerability.
Impact
Successful exploitation could allow attackers to manipulate SQL queries by injecting arbitrary SQL code and gain sensitive information. Impact Level: Application
Solution
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
Insight
Input passed to 'wp-content/plugins/js-restaurant/popup.php' script via 'restuarant_id' parameter is not properly sanitised before being used in a SQL query.
Affected
WordPress JS Restaurant Plugin
References