CMSuno 1.7 Cross Site Scripting

Credit: splint3rsec
Risk: Low
Local: No
Remote: Yes

Ogólna skala CVSS: 3.5/10
Znaczenie: 2.9/10
Łatwość wykorzystania: 6.8/10
Wymagany dostęp: Zdalny
Złożoność ataku: Średnia
Autoryzacja: Jednorazowa
Wpływ na poufność: Brak
Wpływ na integralność: Częściowy
Wpływ na dostępność: Brak

# 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

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