What is CVE-2026-30557?

CVE-2026-30557 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-2026-30557?

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

XSS in Ahsanriaz26gmailcom Sales And Inventory System

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.

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-2026-30557?: CVE-2026-30557 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-2026-30557?: Medium severity. CVSS v3 base score is 6.1 out of 10.