CVE-2017-8440 Cross-site scripting in Kibana
An XSS vulnerability in Kibana's Discover page allows attackers to steal sensitive information or perform destructive actions on behalf of other users.
- 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-2017-8440?
CVE-2017-8440 is a medium-severity cross-site scripting vulnerability in Elastic Kibana, published on 5 Jun 2017. 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
Starting in version 5.3.0, Kibana had a cross-site scripting (XSS) vulnerability in the Discover page that could allow an attacker to obtain sensitive information from or perform destructive actions on behalf of other Kibana users.
Weakness: CWE-79
Which versions are affected by CVE-2017-8440?
It affects 1 product.
Products include Elastic Kibana.
How do I fix CVE-2017-8440?
No fix has been published for CVE-2017-8440 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-2017-8440 being exploited?
There is no known exploitation of CVE-2017-8440 in the wild and no public exploit code.
Other vulnerabilities in Elastic Kibana
Sources
Also known as GHSA-jv8f-xj77-j348.