Exposure of Sensitive Information Through Data Queries
A vulnerability classified as problematic was found in SourceCodester Best Online News Portal 1.0. Affected by this vulnerability is an unknown functionality of the file check_availability.php. The manipulation of the argument username leads to exposure of sensitive information through data queries. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-220645 was assigned to this vulnerability.
CWE-202 - Exposure of Sensitive Information Through Data Queries
When trying to keep information confidential, an attacker can often infer some of the information by using statistics.