# Exploit Title: CMSuno 1.7 - 'tgo' Stored Cross-Site Scripting (XSS) (Authenticated)  
# Date: 03-08-2021  
# Exploit Author: splint3rsec  
# Vendor Homepage:  
# Software Link:  
# Affected Version(s): CMSuno 1.7 (and prior)  
# CVE : CVE-2021-36654  
CMSuno version 1.7 and prior is vulnerable to a stored cross-site scripting.  
The attacker must be authenticated to exploit the vulnerability.  
The payload injection is done while updating the template's image filename, vulnerable parameter is *tgo*  
Steps to reproduce:  
1. Go to /uno.php and click on *plugins*  
2. Click on *Logo*  
3. Choose a random picture in your files repo, click on save and intercept the request  
4. Edit the POST request to /uno/template/uno1/uno1.php by modifying the tgo parameter's value to ")}</style><script>VULN JS CODE HERE</script>  
5. Forward the request and click on *publish*  
6. Click on *See the website*  
7. XSS