[NEWS] Content Management Framework "G3" XSS Vulnerability in Search Function

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Content Management Framework "G3" XSS Vulnerability in Search Function
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SUMMARY

According to the manufacturer, <http://www.inm.ch/g3.cms/s_page/56770> G3
is "a classic content-management-system, allowing customers to manage
their own websites without knowing much about webpublishing". Stefan
Friedli discovered a XSS Vulnerability in the search module used by many
websites powered by G3.

DETAILS

By using the chars "<" ">" and quotes, the form can be used to include
script code. As there seems to be no determination between parameters
being passed by GET or POST, it's possible to pass manipulated content to
other users using a simple link passing the parameter search_string.

Vendor response:
INM has been informed about this vulnerability on 2006-07-06. A reminder
was sent 14 days after. There has been no reaction on any message
according this issue.

Timeline:
2006-07-05 - Discovery
2006-07-06 - INM has been informed about the flaw
2006-07-20 - Reminder has been sent
2006-08-02 - Public advisory has been published


ADDITIONAL INFORMATION

The information has been provided by
<mailto:stefan.friedli.list@xxxxxxxxx> Stefan Friedli.



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