CVE-2026-30573: A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2026-30573 is a high-severity flaw (CVSS 7.5) affecting web-based pharmacy product management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-1284
Published	2026-04-01
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: senior-walter

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-01 15:22 UTCPublished CVE record published
2026-06-17 10:32 UTCUpdated Record last modified

senior-walter web-based pharmacy product management system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy web-based-pharmacy-product-management-system || rpm -q web-based-pharmacy-product-management-system || web-based-pharmacy-product-management-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison web-based-pharmacy-product-management-system sudo apt install web-based-pharmacy-product-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold web-based-pharmacy-product-management-system

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list web-based-pharmacy-product-management-system sudo dnf downgrade web-based-pharmacy-product-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add web-based-pharmacy-product-management-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-30573?

web-based pharmacy product management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-30573 being exploited?

CVE-2026-30573 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-30573 affect?

CVE-2026-30573 affects web-based pharmacy product management system. Severity is high (CVSS 7.5). 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

How urgent is CVE-2026-30573?

Priority 40/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-30576 HIGH 7.5 DOWNGRADE A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stoc
CVE-2026-30575 HIGH 7.5 DOWNGRADE A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stoc
CVE-2026-30574 HIGH 7.5 DOWNGRADE A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-sale

References

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