TITLE:
Community Architect Guestbook "cgi-bin/guest" Script Insertion
Vulnerability

SECUNIA ADVISORY ID:
SA19742

VERIFY ADVISORY:
http://secunia.com/advisories/19742/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Community Architect Guestbook
http://secunia.com/product/9476/

DESCRIPTION:
Susam Pal has reported a vulnerability in Community Architect
Guestbook, which can be exploited by malicious people to conduct
script insertion attacks.

Some input passed to "cgi-bin/guest" when signing the guestbook isn't
properly sanitised before being used. This can be exploited to inject
arbitrary HTML and script code, which will be executed in a user's
browser session in context of an affected site when the malicious
user data is viewed via "fsguestbook.html".

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
Susam Pal

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