CVE-2026-30563

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-03-30 · updated 2026-06-17
Weakness: CWE-79

Description

A Stored Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0. The vulnerability is located in the update_details.php file. The application fails to sanitize the "website" parameter provided in a POST request. This allows authenticated attackers to inject arbitrary web script or HTML that is stored in the database and executed whenever the store details page is accessed.

Affected products

SourceCodester Sales and Inventory System: 1.0

References

https://github.com/meifukun/Web-Security-PoCs/blob/main/Inventory-System/XSS-UpdateDetails-website.md

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