Summaryinfo

A vulnerability was found in SourceCodester Sales and Inventory System 1.0. It has been rated as problematic. The impacted element is an unknown function of the file add_stock.php of the component Parameter Handler. Performing a manipulation of the argument msg results in cross site scripting. This vulnerability is reported as CVE-2026-30562. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in SourceCodester Sales and Inventory System 1.0. This affects an unknown function of the file add_stock.php of the component Parameter Handler. The manipulation of the argument msg with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0. The vulnerability is located in the add_stock.php file via the "msg" parameter. The application fails to sanitize the input, allowing remote attackers to inject arbitrary web script or HTML via a crafted URL.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-30562 since 03/04/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

By approaching the search of inurl:add_stock.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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• SourceCodester

Name

• Sales and Inventory System

Version

• 1.0

License

• free

Website

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

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