CVE-2026-30557

A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0. The vulnerability is located in the add_category.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-AddCategory-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-2026-30557

Mitre link : CVE-2026-30557

CVE.ORG link : CVE-2026-30557

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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