CVE-2026-30556

A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0. The vulnerability is located in the index.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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/meifukun/Web-Security-PoCs/blob/main/Inventory-System/XSS-Index-msg.md	Exploit Third Party Advisory
https://github.com/meifukun/Web-Security-PoCs/blob/main/Inventory-System/XSS-Index-msg.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:ahsanriaz26gmailcom:sales_and_inventory_system:1.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-30 16:16

Updated : 2026-06-17 10:32

NVD link : CVE-2026-30556

Mitre link : CVE-2026-30556

CVE.ORG link : CVE-2026-30556

JSON object : View

Products Affected

ahsanriaz26gmailcom

sales_and_inventory_system

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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