CVE-2018-3830

Name: CVE-2018-3830
Creator: NVD / NIST
Published: 2018-09-19T19:29:01.203+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.87%

Last modified Jun 17, 2026

CVE-2018-3830 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Kibana versions 5.3.0 to 6.4.1 had a cross-site scripting (XSS) vulnerability via the source field formatter that could allow an attacker to obtain sensitive information from or perform destructive actions on behalf of other Kibana users.. EPSS estimates a 1.87% chance of exploitation in the next 30 days.

Description

Kibana versions 5.3.0 to 6.4.1 had a cross-site scripting (XSS) vulnerability via the source field formatter that could allow an attacker to obtain sensitive information from or perform destructive actions on behalf of other Kibana users.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.87%

76.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Elastic	Kibana	>= 5.3.0, <= 6.4.1
Redhat	Openshift Container Platform	3.11

References

https://access.redhat.com/errata/RHSA-2018:3537Third Party Advisory
https://discuss.elastic.co/t/elastic-stack-6-4-1-and-5-6-12-security-update/149035Release Notes, Vendor Advisory
https://www.elastic.co/community/securityVendor Advisory
https://access.redhat.com/errata/RHSA-2018:3537Third Party Advisory
https://discuss.elastic.co/t/elastic-stack-6-4-1-and-5-6-12-security-update/149035Release Notes, Vendor Advisory
https://www.elastic.co/community/securityVendor Advisory

Timeline

Published: Sep 19, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-3830?

How severe is CVE-2018-3830?

CVE-2018-3830 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.87% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3830?

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-2018-3830?

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

Scan your code now

Source: NVD / NIST