TITLE:
Smile Guestbook "pagina" Cross-Site Scripting Vulnerability

SECUNIA ADVISORY ID:
SA20321

VERIFY ADVISORY:
http://secunia.com/advisories/20321/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Smile Guestbook
http://secunia.com/product/10184/

DESCRIPTION:
luny has discovered a vulnerability in Smile Guestbook, which can be
exploited by malicious people to conduct cross-site scripting
attacks.

Input passed to the "pagina" parameter in view.php is not properly
sanitised before being returned to the user. This can be exploited to
execute arbitrary HTML and script code in a user's browser session in
context of an affected site.

The vulnerability has been confirmed in the latest available version
(2006-05-29). 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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