CVE-2026-30556: ahsanriaz26gmailcom sales_and_inventory_system Cross-site Scripting

Vulnerability summary

CVE-2026-30556 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in ahsanriaz26gmailcom sales_and_inventory_system. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.4% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 30-03-2026
   PublishedVulnerability first disclosed.
2. 31-03-2026
   Last modifiedVulnerability information updated.

Description

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.

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.