CVE-2026-39380
Medium
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.
SeverityMedium
CVSS5.4
Exploit probability—
ProductOpensourcepos Open Source Point Of Sale
PublishedApr 7, 2026
First seenApr 7, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- opensourcepos open_source_point_of_sale3.4.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| opensourcepos open_source_point_of_sale | v < 3.4.3 | 3.4.3 |
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