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TITLE:
Ultimate PHP Board "User-Agent" Script Insertion

SECUNIA ADVISORY ID:
SA33329

VERIFY ADVISORY:
http://secunia.com/advisories/33329/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Ultimate PHP Board (UPB) 2.x
http://secunia.com/advisories/product/20877/

DESCRIPTION:
A vulnerability has been discovered in Ultimate PHP Board, which can
be exploited by malicious people to conduct script insertion
attacks.

Input passed via the HTTP "User-Agent" header is not properly
sanitised before being used. This can be exploited to insert
arbitrary HTML and script code, which will be executed in a user's
browser session in the context of an affected site when the malicious
data is viewed in the IP Address logs.

This is related to vulnerability #2 in:
SA16144

The vulnerability is confirmed in version 2.2.2. Other versions may
also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Additional information about vulnerable version 2.x provided by
athos.

ORIGINAL ADVISORY:
http://www.milw0rm.com/exploits/7607

OTHER REFERENCES:
SA16144:
http://secunia.com/advisories/16144/

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