CVE-2026-30573 — HIGH (7.5)

Vulnerability Description

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 transactions. This leads to incorrect financial calculations, corruption of sales reports, and potential financial loss.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Senior-Walter	Web-Based Pharmacy Product Management System	1.0

Related Weaknesses (CWE)

CWE-1284

References

https://github.com/meifukun/Web-Security-PoCs/blob/main/Pharmacy-Product-ManagemExploitThird Party Advisory

FAQ

What is CVE-2026-30573?

CVE-2026-30573 is a vulnerability with a CVSS score of 7.5 (HIGH). 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"...

How severe is CVE-2026-30573?

CVE-2026-30573 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-30573?

Check the references section above for vendor advisories and patch information. Affected products include: Senior-Walter Web-Based Pharmacy Product Management System.