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TITLE:
Skull-Splitter's PHP Guestbook Script Insertion Vulnerability

SECUNIA ADVISORY ID:
SA15377

VERIFY ADVISORY:
http://secunia.com/advisories/15377/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Skull-Splitter's PHP Guestbook 1.x
http://secunia.com/product/5110/
Skull-Splitter's PHP Guestbook 2.x
http://secunia.com/product/5109/

DESCRIPTION:
Morinex Eneco has reported a vulnerability in Skull-Splitter's PHP
Guestbook, which can be exploited by malicious people to conduct
script insertion attacks.

Input passed to title or content of a message is not properly
sanitised before being used. This can be exploited to inject
arbitrary HTML and script code, which will be executed in a user's
browser session in context of an affected site when the malicious
guestbook entry is viewed.

The vulnerability has been reported in version 1.0, 2.0 and 2.2.
Other versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Morinex Eneco

ORIGINAL ADVISORY:
http://www.m0r1n3x.com/Skull-splitter_adv.txt

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