A vulnerability, which was classified as problematic, was found in SourceCodester Grade Point Average GPA Calculator 1.0. Affected is an unknown function of the file index.php. The manipulation of the argument page with the input php://filter/read=convert.base64-encode/resource=grade_table leads to information disclosure. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-224670 is the identifier assigned to this vulnerability.