PHP Proxy 3.0.3 is susceptible to local file inclusion vulnerabilities that allow unauthenticated users to read files from the server via index.php?q=file:/// (a different vulnerability than CVE-2018-19246).
View the template here CVE-2018-19458.yaml
References:
https://pentest.com.tr/exploits/PHP-Proxy-3-0-3-Local-File-Inclusion.html