Prevent XSS Vulnerability free WordPress plugin

This plugin provides the functionality for Reflected XSS and Self-XSS. For Reflected XSS, it checks the URL and redirects it if you enabled the Enable Blocking option and URL contains any Vulnerable code in it. It only block some parameters which are not allowed in URL and shown Block Parameters section. You can skip some of the parameters from it if you still like them to be used. To provide more security, Prevent XSS Vulnerability also escape the HTML in the $_GET parameter which is commonly used to get parameters in PHP from the URL and print them in the HTML. This way, HTML properties will not work if anyone provided it in the URL. There are many ways by which the plugin can be tested but it may varies for different sites according to their structure and development functionality. Block Parameters Prevent XSS Vulnerability block the following parameters in the URL if enabled from the Plugin Settings. Opening Round Bracket ( Closing Round Bracket ) Less than Sign < Greater than Sign > Opening Square Bracket [ Closing Square Bracket ] Opening Curly Bracket { Pipe or Vertical Bar | Closing Curly Bracket } Encode Parameters Prevent XSS Vulnerability encode the following parameters in the URL if enabled from the Plugin Settings. Exclamation Mark ! Double Quotation ” Single Quotation ‘ Opening Round Bracket ( Closing Round Bracket ) Asterisk Sign * Less than Sign < Greater than Sign > Grave Accent “` Cap Sign ^ Opening Square Bracket [ Closing Square Bracket ] Opening Curly Bracket { Pipe or Vertical Bar | Closing Curly Bracket } Escape HTML in `$_GET` Variable Prevent XSS Vulnerability escape HTML in `$_GET` variable. `$_GET` variable is mostly used to put the values in HTML from the URL. This Check is quite useful