EUVD-2026-20803

A security flaw has been discovered in SourceCodester Pharmacy Product Management System 1.0. This affects an unknown part of the file add-sales.php of the component POST Parameter Handler. Performing a manipulation of the argument txtqty results in business logic errors. It is possible to initia...

CVE-2026-5812: Undefined Security Weakness

A security flaw has been discovered in SourceCodester Pharmacy Product Management System 1.0. This affects an unknown part of the file add-sales.php of the component POST Parameter Handler. Performing a manipulation of the argument txtqty results in business logic errors. It is possible to initia...

CVE-2026-30573: Improper Validation of Specified Quantity in Input

A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0. The vulnerability is located in the add-sales.php file. The application fails to validate the "txtprice" and "txttotalcost" parameters, allowing attackers to submit negative values for sales...

CVE-2026-30575: Improper Input Validation

A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stock.php file. The application fails to validate the "txtqty" parameter during stock entry, allowing negative values to be processed. This causes the system to decrease the inventory level...

CVE-2026-30574: Improper Enforcement of Behavioral Workflow

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-2026-30576: Improper Input Validation

A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stock.php file. The application fails to validate the "txtprice" and "txttotalcost" parameters during stock entry, allowing negative financial values to be submitted. This leads to corruption...