TITLE:
Jax Guestbook "page" Cross-Site Scripting Vulnerability

SECUNIA ADVISORY ID:
SA19843

VERIFY ADVISORY:
http://secunia.com/advisories/19843/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Jax Guestbook 3.x
http://secunia.com/product/5494/

DESCRIPTION:
ALMOKANN3 has discovered a vulnerability in Jax Guestbook, which can
be exploited by malicious people to conduct cross-site scripting
attacks.

Input passed to the "page" parameter 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 version 3.41. Other versions
may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
ALMOKANN3

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