CVE-2026-30556 — Cross-site Scripting in Sales AND Inventory System

CWE-79 — Cross-site Scripting3 documents3 sources
Severity
6.1MEDIUMNVD
EPSS
0.0%
top 88.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Ahsanriaz26gmailcom Sales AND Inventory System
Timeline
PublishedMar 30

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.7

Affected Packages1 packages

🔴Vulnerability Details

2
CVEList
CVE-2026-30556: A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1↗2026-03-30
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GHSA
GHSA-4cq8-w5ch-hhg7: A Reflected Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1↗2026-03-30
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CVE-2026-30556 — Cross-site Scripting | cvebase