WordPress Ajax Category Dropdown Plugin Cross Site Scripting and SQL Injection Vulnerabilities

Summary
This host is running WordPress Ajax Category Dropdown Plugin and is prone to cross site scripting and SQL injection vulnerabilities.
Impact
Successful exploitation could allow an attacker to steal cookie -based authentication credentials, compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database. 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
The flaw is due to failure in the '/wp-content/plugins/ ajax-category-dropdown/includes/dhat-ajax-cat-dropdown-request.php' script to properly sanitize user-supplied input.
Affected
WordPress Ajax Category Dropdown Plugin version 0.1.5
References