Input validation vulnerability in Responsive Pricing Table 5.1.7

The Responsive Pricing Table plugin for WordPress is vulnerable to a type of malicious code attack called Stored Cross-Site Scripting. This type of attack can be used to inject malicious code into a website. This vulnerability affects all versions of the plugin up to and including version 5.1.7. It is possible for an attacker with administrator-level permissions to inject malicious code into a page, and this code will be executed every time a user accesses the page. This vulnerability only affects multi-site installations and installations where the security feature “unfiltered_html” has been disabled.