TITLE:
Simple Machines Forum "X-Forwarded-For" Script Insertion

SECUNIA ADVISORY ID:
SA19004

VERIFY ADVISORY:
http://secunia.com/advisories/19004/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
Simple Machines Forum 1.x
http://secunia.com/product/5285/

DESCRIPTION:
Aliaksandr Hartsuyeu has reported a vulnerability in Simple Machines
Forum, which can be exploited by malicious people to conduct script
insertion attacks.

Input passed to the "X-Forwarded-For" HTTP header isn't properly
sanitised before being used. This can be exploited to inject
arbitrary HTML and script code, which will be executed in an
administrator's browser session in context of an affected site when
the malicious user data is viewed via "View all members".

The vulnerability has been reported in version 1.0.6. Other versions
may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Aliaksandr Hartsuyeu

ORIGINAL ADVISORY:
http://evuln.com/vulns/86/summary.html

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