What is CVE-2016-10366?

CVE-2016-10366 is a medium-severity vulnerability in Elastic Kibana, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-06-16.

How severe is CVE-2016-10366?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Elastic Kibana

CVE-2016-10366

Kibana versions after and including 4.3 and before 4.6.2 are vulnerable to a cross-site scripting (XSS) attack.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-06-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (59.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Elastic Kibana — versions 4.3 to 4.6.2, 4.5.0, 4.5.4

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.elastic.co/community/security (Vendor Advisory)

Frequently asked questions

What is CVE-2016-10366?: CVE-2016-10366 is a medium-severity vulnerability in Elastic Kibana, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-06-16.
How severe is CVE-2016-10366?: Medium severity. CVSS v3 base score is 6.1 out of 10.