TITLE:
Hiox Guestbook Script Insertion Vulnerability

SECUNIA ADVISORY ID:
SA20252

VERIFY ADVISORY:
http://secunia.com/advisories/20252/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Hiox Guestbook 3.x
http://secunia.com/product/10116/

DESCRIPTION:
luny has discovered a vulnerability in Hiox Guestbook, which can be
exploited by malicious people to conduct script insertion attacks.

Input passed to the Email and Comments fields isn't sanitised before
being stored in the guestbook. This can be exploited to execute
arbitrary HTML and script code in a user's browser session in context
of an affected website when a malicious guestbook entry is viewed.

The vulnerability has been confirmed in version 3.2, and also
reported in version 3.1. Other versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
luny

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