Vulnerability · Published Apr 8, 2026 · Assigned by VulDB
CVE-2026-5812SourceCodester Pharmacy Product Management System POST Parameter add-sales.php logic error
Medium 5.4
In plain English
A medium-severity security flaw in Pharmacy Product Management System from SourceCodester. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Official description
A security flaw has been discovered in SourceCodester Pharmacy Product Management System 1.0. This affects an unknown part of the file add-sales.php of the component POST Parameter Handler. Performing a manipulation of the argument txtqty results in business logic errors. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SourceCodester | Pharmacy Product Management System | 1.0 |
Weakness: CWE-840 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-356260 | SourceCodester Pharmacy Product Management System POST Parameter add-sales.php logic error vdb-entry, technical-description
- VDB-356260 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #787680 | SourceCodester Pharmacy Product Management System 1.0 Business Logic Errors third-party-advisory
- https://github.com/meifukun/Web-Security-PoCs/blob/main/Pharmacy-Product-Management-System/Logic-AddSales-NegativeQty.md exploit
- https://www.sourcecodester.com/ product