CVE-2025-40674: Oscommerce

Medium severity, CVSS 5.1. EPSS: 0.5% chance of exploitation in the next 30 days.

Reflected Cross-Site Scripting (XSS) in osCommerce v4. This vulnerability allows an attacker to execute JavaScript code in the victim's browser by sending the victim a malicious URL using the name of any parameter in /watch/en/about-us. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on behalf of the user.

Affected products

• Oscommerce Oscommerce: version v4 only

Published 2025-06-17. Last modified 2026-06-17.