An issue was discovered in Fighting Cock Information System 1.0, which uses default credentials, but does not force nor prompt the administrators to change the credentials.
https://www.sourcecodester.com/php/12824/fighting-cock-information-system.html
https://gist.github.com/0xHop/6ed962a1978edb1bd620c9c487400403
https://gist.github.com/0xHop/43c4da65e0d101328a46b1bd5a11b262