TITLE:
PHP-AGTC membership system "useremail" Script Insertion

SECUNIA ADVISORY ID:
SA20305

VERIFY ADVISORY:
http://secunia.com/advisories/20305/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
PHP-AGTC membership system 1.x
http://secunia.com/product/10180/

DESCRIPTION:
Nomenumbra has discovered a vulnerability in PHP-AGTC membership
system, which can be exploited by malicious users to conduct script
insertion attacks.

Input passed to the "useremail" parameter in adduser.php 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 admin.php.

The vulnerability has been confirmed in version 1.1a. Other versions
may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Nomenumbra

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