CVE-2020-8160: Mendix Mendixsso

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

MendixSSO <= 2.1.1 contains endpoints that make use of the openid handler, which is suffering from a Cross-Site Scripting vulnerability via the URL path. This is caused by the reflection of user-supplied data without appropriate HTML escaping or output encoding. As a result, a JavaScript payload may be injected into the above endpoint causing it to be executed within the context of the victim's browser.

Affected products

• Mendix Mendixsso: up to and including 2.1.1

Published 2021-01-06. Last modified 2026-06-17.