The employee management page of Flygo contains an Insecure Direct Object Reference (IDOR) vulnerability. After being authenticated as a general user, remote attacker can manipulate the user data and then over-write another employee’s user data by specifying that employee’s ID in the API parameter.

The employee management page of Flygo contains Insecure Direct Object Reference (IDOR) vulnerability. After being authenticated as a general user, remote attackers can manipulate the employee ID in specific parameters to arbitrary access employee's data, modify it, and then obtain administrator privilege and execute arbitrary command.

The check-in record page of Flygo contains Insecure Direct Object Reference (IDOR) vulnerability. After being authenticated as a general user, remote attackers can manipulate the employee ID and date in specific parameters to access particular employee’s check-in record.

The bulletin function of Flygo contains Insecure Direct Object Reference (IDOR) vulnerability. After being authenticated as a general user, remote attackers can manipulate the bulletin ID in specific Url parameters and access and modify bulletin particular content.

The bulletin function of Flygo does not filter special characters while a new announcement is added. Remoter attackers can use the vulnerability with general user’s credential to inject JavaScript and execute stored XSS attacks.