Reflected Cross-Site Scripting Vulnerability in SourceCodester Sales and Inventory System
CVE-2026-30557

6.1MEDIUM

Key Information:

Vendor

SourceCodester
Status
Sales and Inventory System
Vendor
CVE Published:
30 March 2026

What is CVE-2026-30557?

A Reflected Cross-Site Scripting (XSS) vulnerability has been identified in the SourceCodester Sales and Inventory System version 1.0. This issue arises from improper input sanitization in the add_category.php file, specifically through the 'msg' parameter. Malicious actors can exploit this vulnerability by crafting a specially designed URL that allows them to inject arbitrary web scripts or HTML into the application. As a result, users who interact with this compromised URL may be subjected to various attacks, potentially leading to data theft or unauthorized actions within their session.

References

https://github.com/meifukun/Web-Security-PoCs/blob/main/I...

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.