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Hardcore Disassembler / Reverse Engineer Wanted!

Want to work with IDA and BinDiff?
Want to write PoC's and Exploits?

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We will get you a work permit, find an apartment, and offer a
relocation compensation package.

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TITLE:
hwdeGUEST new_entry.php Script Insertion Vulnerabilities

SECUNIA ADVISORY ID:
SA21110

VERIFY ADVISORY:
http://secunia.com/advisories/21110/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
hwdeGUEST 2.x
http://secunia.com/product/11085/

DESCRIPTION:
Tamriel has discovered some vulnerabilities in hwdeGUEST, which can
be exploited by malicious people to conduct script insertion
attacks.

Input passed to the "name", "email", "www", and "icq" form field
parameters in new_entry.php is not properly sanitised before being
used. This can be exploited to insert arbitrary HTML and script code,
which is executed in a user's browser session in context of an
affected site when a malicious guestbook entry is viewed.

The vulnerabilities have been confirmed in version 2.1.1. Other
versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Tamriel

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