CVE-2026-30574: Senior-Walter Web-Based Pharmacy Product Management System

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

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

• Senior-Walter Web-Based Pharmacy Product Management System: version 1.0 only

Published 2026-03-27. Last modified 2026-06-17.