What is CVE-2016-1000220?

CVE-2016-1000220 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-2016-1000220?

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

XSS in Elastic Kibana

CVE-2016-1000220

Kibana before 4.5.4 and 4.1.11 are vulnerable to an XSS attack that would allow an attacker to execute arbitrary JavaScript in users' browsers.

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: 0.011 (65.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Elastic Kibana

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.securityfocus.com/bid/99179 (VDB Entry, Third Party Advisory, vdb-entry)
www.elastic.co/community/security (Vendor Advisory)

Frequently asked questions

What is CVE-2016-1000220?: CVE-2016-1000220 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-2016-1000220?: Medium severity. CVSS v3 base score is 6.1 out of 10.