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TITLE:
Knusperleicht Shoutbox shout.php Script Insertion Vulnerability

SECUNIA ADVISORY ID:
SA23526

VERIFY ADVISORY:
http://secunia.com/advisories/23526/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Knusperleicht Shoutbox 2.x
http://secunia.com/product/12984/

DESCRIPTION:
IMHOT3B has reported a vulnerability in Knusperleicht Shoutbox, which
can be exploited by malicious people to conduct script insertion
attacks.

Input passed to the "sbNick" parameter in shout.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 affected site when the malicious data is
viewed.

The vulnerability is reported in version 2.6. Other versions may also
be affected.

SOLUTION:
Upgrade to version 4.4.

PROVIDED AND/OR DISCOVERED BY:
IMHOT3B

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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