PHP-CGI Argument Injection Susceptibility Scanner

This is a bash script that is a vulnerability checker for CVE-2024-4577 designed to scan multiple domains for an argument injection vulnerability in PHP-CGI. This tool allows security researchers and system administrators to quickly assess whether their systems or a list of domains are potentially vulnerable to this specific security issue. This issue affected PHP-CGI versions 8.1 before 8.1.29, 8.2 before 8.2.20, and 8.3 before 8.3.8.