Bugtraq mailing list archives

XSS Vulnerability in MIVA Merchant 5 - Includes Fix


From: admin () hyperconx com
Date: 14 Sep 2005 01:24:52 -0000

MIVA Merchant 5 is vulnerable to XSS attack. Users can use javascript to embed their own inputs into the MM5 screens 
and checkout pages overriding various store safeguards and functions.

MIVA Corporation has been very cooperative and has already posted an update to their software entitled (core-4). Users 
of MIVA Merchant 5 should login to their admin panels and allow the update wizard to make the current updates to 
(core-4). An earlier patch entitled (core-2) should be installed prior to installing (core-4).

The update includes the sanity checking and cleanup of several key variables and fixes other security issues found with 
the new templating system.

XSS Sample:
http://HOSTNAME/mm5/merchant.mvc?Screen=ACNT&Action=EMPW&Customer_Login=";><script>document.write("\n<br><input%20type=text%20name=somenewfield%20value='Hello%20World'>")</script>


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