CVE-2026-30574

A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-sales.php file. The application fails to verify if the requested sales quantity txtqty exceeds the available stock level. An attacker can manipulate the request to purchase a quantity that is...

PT-2026-28413

A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-sales.php file. The application fails to verify if the requested sales quantity txtqty exceeds the available stock level. An attacker can manipulate the request to purchase a quantity that is...

CVE-2026-30575

SourceCodester Pharmacy Product Management System 1.0 exposes a business logic flaw in add-stock.php: the txtqty parameter is not validated, allowing negative values to be processed and decreasing inventory instead of increasing it. This causes inventory corruption and potential DoS by depleting ...