How severe is CVE-2026-30573?

CVE-2026-30573 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-30573 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30573?

CVE-2026-30573 affects Senior-walter Web-based Pharmacy Product Management System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30573?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-30573 have an EU (EUVD) identifier?

Yes. CVE-2026-30573 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17901.

When was CVE-2026-30573 published?

CVE-2026-30573 was published on 2026-04-01 and last updated on 2026-06-17.

CVE-2026-30573

CVE-2026-30573 is a high-severity vulnerability in Senior-walter Web-based Pharmacy Product Management System with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1284.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-17901
Weakness: CWE-1284
Affected product: Senior-walter Web-based Pharmacy Product Management System
Published: 2026-04-01
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-30573?: 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.
How severe is CVE-2026-30573?: CVE-2026-30573 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-30573 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30573?: CVE-2026-30573 affects Senior-walter Web-based Pharmacy Product Management System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30573?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-30573 have an EU (EUVD) identifier?: Yes. CVE-2026-30573 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17901.
When was CVE-2026-30573 published?: CVE-2026-30573 was published on 2026-04-01 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:senior-walter:web-based_pharmacy_product_management_system:1.0:*:*:*:*:*:*:*

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