by r0t,der4444,cembo,VietMafia

Monday, March 27, 2006

Web Quiz pro XSS vuln.

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Vuln. discovered by : r0t
Date: 27 march 2006
vendor:www.calorisplanitia.com/online-quiz-system.aspx
affected versions: pro
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Vuln. description:

Web Quiz pro contains a flaw that allows a remote cross site scripting attack. This flaw exists because input passed to "exam" parameter in "prequiz.asp" and "msg" parameter in "student.asp" isn't properly sanitised before being returned to the user.
This could allow a user to create a specially crafted URL that would execute arbitrary code in a user's browser within the trust relationship between the browser and the server, leading to a loss of integrity.


/prequiz.asp?examid=1&exam=[XSS]
/student.asp?msg=[XSS]

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Solution:
Edit the source code to ensure that input is properly sanitised.
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More information @ unsecured-systems.com/forum/

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