CVE-2026-30574

7.5 highEPSS 0.3%

High (7.5) in senior-walter web-based pharmacy product management system. EPSS 0.3% 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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-31)
CWE: CWE-841
Published: 2026-03-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

senior-walter:web-based_pharmacy_product_management_system

References

https://github.com/meifukun/Web-Security-PoCs/blob/main/Pharmacy-Product-Management-System/Logic-AddSales-Overselling.md

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