XSS in Mendix Mendixsso
CVE-2020-8160
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.007 (50.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Mendix Mendixsso
- N/a Mendixsso — versions 2.1.1 and lower
Weakness classification (CWE)
References
- support@hackerone.com (Third Party Advisory, x_refsource_MISC)
- support@hackerone.com (Product, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-8160?
- CVE-2020-8160 is a medium-severity vulnerability in Mendix Mendixsso, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-01-06.
- How severe is CVE-2020-8160?
- Medium severity. CVSS v3 base score is 6.1 out of 10.