PT-2026-29040 · Sourcecodester · Sales/Inventory System

Meifukun · Published 2026-03-30 · Updated 2026-03-30 · CVE-2026-30558

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions SourceCodester Sales and Inventory System version 1.0

Description A Reflected Cross-Site Scripting (XSS) issue exists in the application. The application does not properly sanitize input, which allows for the injection of arbitrary web scripts or HTML. This occurs through a crafted URL targeting the add customer.php file via the msg parameter.

Recommendations Apply input sanitization to the msg parameter in the add customer.php file.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-30558

Affected Products

Sales/Inventory System

References · 2

• 🔥 https://github.com/meifukun/Web-Security-PoCs/blob/main/Inventory-System/XSS-AddCustomer-msg.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-30558 · Security Note