PT-2026-29053 · Sourcecodester · Sourcecodester Simple Inventory System

Meifukun · CVE-2026-30556 · Published 2026-03-30 · Updated 2026-03-30

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 SourceCodester Sales and Inventory System. The problem is located in the index.php file through the msg parameter. The application does not properly sanitize input, which allows attackers to inject arbitrary web scripts or HTML via a manipulated URL.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, consider sanitizing the msg parameter in the index.php file to prevent the injection of malicious scripts.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-30556

Affected Products

Sourcecodester Simple Inventory System

References · 2

• 🔥 https://github.com/meifukun/Web-Security-PoCs/blob/main/Inventory-System/XSS-Index-msg.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-30556 · Security Note