What is CVE-2018-3821?

CVE-2018-3821 is a medium-severity vulnerability in Elastic Kibana, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-03-30.

How severe is CVE-2018-3821?

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

XSS in Elastic Kibana

CVE-2018-3821

Kibana versions after 5.1.1 and before 5.6.7 and 6.1.3 had a cross-site scripting (XSS) vulnerability in the tag cloud visualization that could allow an attacker to obtain sensitive information from or perform destructive actions on behalf of other Kibana users.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (56.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Elastic Kibana — versions after 5.1.1 and before 5.6.7 and 6.1.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@elastic.co (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-3821?: CVE-2018-3821 is a medium-severity vulnerability in Elastic Kibana, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-03-30.
How severe is CVE-2018-3821?: Medium severity. CVSS v3 base score is 6.1 out of 10.