A vulnerability, which was classified as critical, was found in SourceCodester Covid-19 Contact Tracing System 1.0. This affects an unknown part of the file admin/establishment/manage.php. The manipulation of the argument id leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-228891.

api/account/register in the TH Wildau COVID-19 Contact Tracing application through 2021-09-01 has Incorrect Access Control. An attacker can interfere with tracing of infection chains by creating 500 random users within 2500 seconds.