Savsoft Quiz 5 - 'Skype ID' Stored XSS

# Exploit Title: Savsoft Quiz 5 - 'Skype ID' Stored XSS
# Exploit Author: Dipak Panchal(th3.d1p4k)
# Vendor Homepage: https://savsoftquiz.com
# Software Link: https://github.com/savsofts/savsoftquiz_v5
# Version: 5
# Tested on Windows 10

Attack Vector:
This vulnerability can results attacker to inject the XSS payload in User
Registration section and each time admin visits the manage user section
from admin panel, and home page too. XSS triggers and attacker can able to
steal the cookie according to the crafted payload.

Steps to reproduce:
1. Create new account and verified it.

2. Navigate to Edit Profile:
-> http://localhost/savsoftquiz/index.php/user/edit_user/123

3. Put the below Payload in Skype ID field. and submit it.
Payload: abcd<script>alert("XSS")</script>

4. You will get XSS popup.
            

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