CVE-2020-9055 Cross-site scripting in LYNX Customer Service Portal
An authenticated attacker can inject malicious JavaScript into the Versiant Lynx Customer Service Portal, leading to session hijacking or information disclosure.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-9055?
CVE-2020-9055 is a low-severity cross-site scripting vulnerability in Versiant LYNX Customer Service Portal, published on 30 Mar 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Versiant LYNX Customer Service Portal (CSP), version 3.5.2, is vulnerable to stored cross-site scripting, which could allow a local, authenticated attacker to insert malicious JavaScript that is stored and displayed to the end user. This could lead to website redirects, session cookie hijacking, or information disclosure.
Weakness: CWE-79
Which versions are affected by CVE-2020-9055?
It affects 1 product.
Products include Versiant Lynx Customer Service Portal.
How do I fix CVE-2020-9055?
No fix has been published for CVE-2020-9055 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-2020-9055 being exploited?
There is no known exploitation of CVE-2020-9055 in the wild and no public exploit code.
Sources
Also known as GHSA-4rjc-5c34-442m.