What’s Vulnerable › Vulnerabilities

CVE-2026-30556

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-30 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• SourceCodester Sales and Inventory System: 1.0

References

• https://github.com/meifukun/Web-Security-PoCs/blob/main/Inventory-System/XSS-Index-msg.md
• https://github.com/meifukun/Web-Security-PoCs/blob/main/Inventory-System/XSS-Index-msg.md

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