[UNIX] XSS Vulnerability in MyMarket

From: support@securiteam.com
Date: 10/23/02 

From: support@securiteam.com
To: list@securiteam.com
Date: 23 Oct 2002 23:36:37 +0200

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  XSS Vulnerability in MyMarket
------------------------------------------------------------------------

SUMMARY

 <http://mymarket.sourceforge.net/> MyMarket is a fully functional online
shopping catalog system, built using PHP and MySQL. It was created by Ying
Zhang for the purpose of teaching people about the basics of creating an
E-Commerce site.

DETAILS

Vulnerable systems:
 * MyMarket version 1.71

Exploit:
http://[traget]/templates/form_header.php?noticemsg=<Scr*ipt>javascript:alert(document.cookie)</Scr*ipt>

(without "*")

Solution:
Put this two lines at the begin of form_header.php

---- form_header.php -----
<?
   $noticemsg = HTMLSpecialChars($noticemsg);
   $errormsg = HTMLSpecialChars($errormsg);
   ...
--------------------------

Vendor response:
qber66 submitted this a week ago, the vendor didn't response yet.

ADDITIONAL INFORMATION

The information has been provided by <mailto:qber66@pandora.be> qber66.

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