CVE-2026-11520: Sourcecodester Inventory System

Low severity, CVSS 3.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A weakness has been identified in SourceCodester Inventory System 1.0. Affected by this issue is some unknown functionality of the file header.php. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Multiple parameters might be affected.

Affected products

• Sourcecodester Inventory System: version 1.0 only

Published 2026-06-08. Last modified 2026-07-23.