CVE-2021-40907: CVE-nu11secur1ty/vendors/oretnom23/CVE-nu11-08-09072021 at main · nu11secur1ty/CVE-nu11secur1ty

The SURMS - PHP (by: oretnom23 ) v1.0 is vulnerable from remote SQL-Injection-Bypass-Authentication for the admin account in app: /storage/classes/Login.php and XSS PWNED PHPSESSID Hijacking in app "tenants". Remote SQL-Injection-Bypass-Authentication: https://portswigger.net/support/using-sql-injection-to-bypass-authentication. The parameter (username) from the login form is not protected correctly and there is no security and escaping from malicious payloads. When the user will sending a malicious query or malicious payload to the MySQL server for those three accounts, he can bypass the login credentials and take control of these accounts. And the second time he can access the admin account by using the PHPSESSID Hijacking technique.

public function login(){
    extract($\_POST);

    $qry = $this\->conn\->query("SELECT \* from users where username = '$username' and password = md5('$password') ");
    if($qry\->num\_rows > 0){
        foreach($qry\->fetch\_array() as $k => $v){
            if(!is\_numeric($k) && $k != 'password'){
                $this\->settings\->set\_userdata($k,$v);
            }

        }
        $this\->settings\->set\_userdata('login\_type',1);
    return json\_encode(array('status'\=>'success'));
    }else{
    return json\_encode(array('status'\=>'incorrect','last\_qry'\=>"SELECT \* from users where username = '$username' and password = md5('$password') "));
    }
}