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A-Cart "msg" Parameter Cross-Site Scripting Vulnerability
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Secunia Advisory:
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SA9871
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Release Date:
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2003-09-30
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Last Update:
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2003-12-05
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Popularity:
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5,289 views
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Critical:
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Less critical
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Impact:
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Cross Site Scripting
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | A-CART 2.x
A-CART Pro
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Description:
A vulnerability has been reported in A-Cart, which can be exploited by malicious people to conduct Cross-Site Scripting attacks against visitors.
The vulnerability is caused due to an input validation error in various scripts when handling input supplied to the "msg" parameter.
Example:
http://[victim]/[acart_path]/signin.asp?msg=<script>alert(document.cookie)</script>
Successful exploitation results in the script code being executed in a user's browser session. This can result in disclosure of various information (eg. cookie-based authentication information) associated with the site running A-Cart or inclusion of malicious content, which the user thinks is part of the real website.
The vulnerability has been reported in version 2.0 and Pro.
Solution:
Filter malicious characters in a HTTP proxy or firewall with URL filtering capabilities.
Edit the source code so input is properly validated.
Provided and/or discovered by:
G00db0y (Zone-H)
Changelog:
2003-12-05: Updated "Description" section.
Other References:
http://www.zone-h.org/en/advisories/read/id=3156/
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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