CMSimple 5.15 - Remote Code Execution (RCE) (Authenticated)

Author: Ahmet Ümit BAYRAM
type: webapps
platform: php
port: 
date_added: 2024-06-03 
date_updated: 2024-06-03 
verified: 0 
codes:  
tags: 
aliases:  
screenshot_url:  
application_url: 

# Exploit Title: CMSimple 5.15 - Remote Command Execution
# Date: 04/28/2024
# Exploit Author: Ahmet Ümit BAYRAM
# Vendor Homepage: https://www.cmsimple.org
# Software Link: https://www.cmsimple.org/downloads_cmsimple50/CMSimple_5-15.zip
# Version: latest
# Tested on: MacOS

# Log in to SimpleCMS.
# Go to Settings > CMS
# Append ",php" to the end of the Extensions_userfiles field and save it.
# Navigate to Files > Media
# Select and upload shell.php
# Your shell is ready: https://{url}/userfiles/media/shell.php