CVE-2017-8440

Name: CVE-2017-8440
Creator: NVD / NIST
Published: 2017-06-05T14:29:00.357+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.99%

Last modified Jun 17, 2026

CVE-2017-8440 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.99% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.99%

58.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Elastic	Kibana	5.3.0
Elastic	Kibana	5.3.1
Elastic	Kibana	5.3.2
Elastic	Kibana	5.4.0

References

https://discuss.elastic.co/t/elastic-stack-5-4-1-and-5-3-3-security-updates/87952Mitigation, Vendor Advisory
https://www.elastic.co/blog/kibana-5-4-1-and-5-3-3-releasedRelease Notes, Vendor Advisory
https://www.elastic.co/community/securityVendor Advisory
https://discuss.elastic.co/t/elastic-stack-5-4-1-and-5-3-3-security-updates/87952Mitigation, Vendor Advisory
https://www.elastic.co/blog/kibana-5-4-1-and-5-3-3-releasedRelease Notes, Vendor Advisory
https://www.elastic.co/community/securityVendor Advisory

Timeline

Published: Jun 5, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-8440?

How severe is CVE-2017-8440?

Severity scoring for CVE-2017-8440 is pending analysis. The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.

How do I fix CVE-2017-8440?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-8440?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST