What is CVE-2026-30556?

CVE-2026-30556 is a medium-severity vulnerability in Ahsanriaz26gmailcom Sales And Inventory System, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-30.

How severe is CVE-2026-30556?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Ahsanriaz26gmailcom Sales And Inventory System

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (16.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Ahsanriaz26gmailcom Sales_and_inventory_system — versions 1.0
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2026-30556?: CVE-2026-30556 is a medium-severity vulnerability in Ahsanriaz26gmailcom Sales And Inventory System, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-30.
How severe is CVE-2026-30556?: Medium severity. CVSS v3 base score is 6.1 out of 10.