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OpenAdvisories
Medium · 5.4 CVE-2026-39380 EUVD-2026-19916

Open Source Point of Sale has Stored XSS in Stock Location (Configuration)

Published Apr 7, 2026 · Updated Apr 8, 2026 · Assigned by GitHub_M

Description

Open Source Point of Sale is a web based point-of-sale application written in PHP using CodeIgniter framework. Prior to 3.4.3, a Stored Cross-Site Scripting (XSS) vulnerability exists in the Stock Locations configuration feature. The application fails to properly sanitize user input supplied through the stock_location parameter, allowing attackers to inject malicious JavaScript code that is stored in the database and executed when rendered in the Employees interface. This vulnerability is fixed in 3.4.3.

Affected products

VendorProductAffectedFixed
opensourcepos opensourcepos < 3.4.3 —

References