CVE-2020-8160 Cross-site scripting in MendixSSO
Attackers can inject JavaScript into MendixSSO endpoints via URL paths, executing code in victims' browsers due to missing output encoding.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-8160?
CVE-2020-8160 is a medium-severity cross-site scripting vulnerability in MendixSSO, published on 6 Jan 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2020-8160?
It affects 1 product.
Products include Mendix Mendixsso.
How do I fix CVE-2020-8160?
No fix has been published for CVE-2020-8160 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2020-8160 being exploited?
There is no known exploitation of CVE-2020-8160 in the wild and no public exploit code.
Sources
Also known as GHSA-7726-7mp9-p4f2.