high7.5
CVE-2026-30574
A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-sales.php file.
Impact
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 significantly higher than the actual available stock.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Senior-Walter | Web-Based Pharmacy Product Management System | Version 1.0 |