Financial record corruption via negative stock costs
Published Mar 27, 2026 · Updated Mar 27, 2026
Improper input validation in SourceCodester Pharmacy Product Management System 1.0 allows remote authenticated users to corrupt financial records. The add-stock.php stock-entry handler accepts negative txtprice and txttotalcost POST values without enforcing positive financial amounts. A valid login and intercepted Save request are required; successful submission records negative procurement costs and distorts inventory valuation.
Summary
What happened
Improper input validation in SourceCodester Pharmacy Product Management System 1.0 allows remote authenticated users to corrupt financial records. The add-stock.php stock-entry handler accepts negative txtprice and txttotalcost POST values without enforcing positive financial amounts. A valid login and intercepted Save request are required; successful submission records negative procurement costs and distorts inventory valuation.
The record
- CVE
- CVE-2026-30576
- Published
- Mar 27, 2026
- Updated
- Mar 27, 2026
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-20, T1565.001
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Mar 27, 2026CVE publishedPublication date reported by the CVE source.
- Mar 27, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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What is affected?
Affected products and versions are unavailable in this record.
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
- Negative stock price proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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