CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
4Description
A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0. The vulnerability is located in the add_customer.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.
Analysis
Reflected cross-site scripting in SourceCodester Sales and Inventory System 1.0 allows remote attackers to inject arbitrary JavaScript or HTML through an unsanitized 'msg' parameter in add_customer.php, enabling session hijacking, credential theft, or malware distribution via crafted URLs. Publicly available exploit code exists demonstrating the vulnerability.
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-17097
GHSA-xcvp-qwq2-j64h