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Vulnerability record · CVE-2026-30574 · published 27 March 2026

CVE-2026-30574: Senior-walter web-based pharmacy product management system vulnerability

SSenior Walter · Web Based Pharmacy Product Management System

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.

7.5 CVSS 3.1 High EPSS 0.38% · top 70.4% CWE-841 · CWE-841
7.5CVSS 3.1 base score
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2025-63712Senior-walter web-based pharmacy product management system cross-site request forgery vulnerabilityCross-Site Request Forgery (CSRF) in SourceCodester Product Expiry Management System. The User Management module (delete-user.php) allows remote atta…EPSS 0.21%8.6CVE-2025-45997Senior-walter web-based pharmacy product management system unrestricted file upload vulnerabilitySourcecodester Web-based Pharmacy Product Management System v.1.0 has a file upload vulnerability. An attacker can upload a PHP file disguised as an …EPSS 0.49%8.1CVE-2025-56274Senior-walter web-based pharmacy product management system improper access control vulnerabilitySourceCodester Web-based Pharmacy Product Management System 1.0 is vulnerable to Incorrect Access Control, which allows low-privileged users to forge…EPSS 0.42%7.5CVE-2026-30573Senior-walter web-based pharmacy product management system vulnerabilityA Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0. The vulnerability is located in the add-sales.php fil…EPSS 0.38%7.5CVE-2026-30576Senior-walter web-based pharmacy product management system improper input validation vulnerabilityA Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stock.php file. The application fails to va…EPSS 0.38%7.5CVE-2026-30575Senior-walter web-based pharmacy product management system improper input validation vulnerabilityA Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stock.php file. The application fails to va…EPSS 0.49%6.9CVE-2025-3729Senior-walter web-based pharmacy product management system command injection vulnerabilityA vulnerability, which was classified as critical, has been found in SourceCodester Web-based Pharmacy Product Management System 1.0. This issue affe…EPSS 3.3%6.9CVE-2025-3694Senior-walter web-based pharmacy product management system injection vulnerabilityA vulnerability classified as critical has been found in SourceCodester Web-based Pharmacy Product Management System 1.0. This affects an unknown par…EPSS 0.64%

Source: NIST National Vulnerability Database (record CVE-2026-30574), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.