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TITLE:
Mambo AkoBook Component Script Insertion

SECUNIA ADVISORY ID:
SA26706

VERIFY ADVISORY:
http://secunia.com/advisories/26706/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
AkoBook 3.x (component for Mambo)
http://secunia.com/product/15620/

DESCRIPTION:
Rubén Ventura Piña has discovered two vulnerabilities in the AkoBook
component for Mambo, which can be exploited by malicious people to
conduct script insertion attacks.

Input passed to the "gbmail" and "gbpage" parameters in the Mambo
installation's index.php script (when "option" is set to
"com_akobook" and "func" to "sign") is not properly sanitised before
being stored. This can be exploited to insert HTML attributes with
script code, which is executed in a user's browser session in context
of an affected site when the guestbook is viewed.

The vulnerabilities are confirmed in version 3.42. Other versions may
also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Rubén Ventura Piña a.k.a. Trew

ORIGINAL ADVISORY:
http://trew.icenetx.net/toolz/advisory-mambo-akobook-en.txt

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About:
This Advisory was delivered by Secunia as a free service to help
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