Improper input validation in Senior-Walter Web-Based Pharmacy Product Management System
CVE-2026-30575
A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stock.php file. The application fails to validate the "txtqty" parameter during stock entry, allowing negative values to be processed. This causes the system to decrease the inventory level instead of increasing it, leading to inventory corruption and potential Denial of Service by depleting stock records.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (40.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001
Affected products
- Senior-Walter Web-Based Pharmacy Product Management System — versions 1.0
Weakness classification (CWE)
References
- github.com/meifukun/Web-Security-PoCs/blob/main/Pharmacy-Product-Management-Sys… (Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-30575?
- CVE-2026-30575 is a high-severity vulnerability in Senior-Walter Web-Based Pharmacy Product Management System, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-03-27.
- How severe is CVE-2026-30575?
- High severity. CVSS v3 base score is 7.5 out of 10.