[*] :: Title: Gastro - Restaurant Extension for NexoPOS v2.3.34 Stored XSS Injection [*] :: Author: QUIXSS [*] :: Date: 2019-04-23 [*] :: Software: Gastro - Restaurant Extension for NexoPOS v2.3.34 [?] :: Technical Details & Description: # Weak security measures like bad input fields data filtering has been discovered in the «Gastro - Restaurant Extension for NexoPOS». Current version of this web-application is 2.3.34. [?] :: Demo Website: # https://codecanyon.net/item/gastro-restaurant-extension-for-nexopos/20242963 # Backend: http://tendoo.org/gastro/dashboard # Login: admin, Password: 123456 [!] :: Special Note: # Author of this web-application was warned twice about bad security measures. Nothing has changed. [!] :: PoC Stored XSS Injections: # http://tendoo.org/gastro/dashboard/users/profile # http://tendoo.org/gastro/dashboard/nexo/orders [+] :: PoC [Stored XSS Injection]: # Authorize on the demo website for tests: http://tendoo.org/gastro/sign-in/ (login / password is admin / 123456). Then go to any page u want, f.e. http://tendoo.org/gastro/dashboard/users/profile and save your payload inside field «First Name» or «Last Name». Almost each input field is vulnerable for Stored XSS Injection. # Sample payload: "><script>alert('QUIXSS')</script>