SourceCodester Pharmacy Product Management System 1.0 add-sales.php txtprice/txttotalcost behavioral workflow

Summaryinfo

A vulnerability was found in SourceCodester Pharmacy Product Management System 1.0 and classified as critical. The impacted element is an unknown function of the file add-sales.php. Such manipulation of the argument txtprice/txttotalcost leads to behavioral workflow. This vulnerability is referenced as CVE-2026-30573. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in SourceCodester Pharmacy Product Management System 1.0. It has been rated as critical. Affected by this issue is an unknown code of the file add-sales.php. The manipulation of the argument txtprice/txttotalcost with an unknown input leads to a behavioral workflow vulnerability. Using CWE to declare the problem leads to CWE-841. The product supports a session in which more than one behavior must be performed by an actor, but it does not properly ensure that the actor performs the behaviors in the required sequence. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-30573 since 03/04/2026. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/01/2026).

By approaching the search of inurl:add-sales.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-17901). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• SourceCodester

Name

• Pharmacy Product Management System

Version

• 1.0

License

• free

Website

• Vendor: https://www.sourcecodester.com/

CPE 2.3info

• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Duplicate

• Submit #XXXXXX: Xxxxxxxxxxxxxx Xxxxxxxx Xxxxxxx Xxxxxxxxxx Xxxxxx X.x Xxxxxxxx Xxxxx Xxxxxx (by github.com)

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion