What is CVE-2017-8440?

CVE-2017-8440 is a medium-severity vulnerability in Elastic Kibana, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-06-05.

How severe is CVE-2017-8440?

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

XSS in Elastic Kibana

CVE-2017-8440

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.010 (58.9th percentile) — read the EPSS interpretation.

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.

Affected products

Elastic Kibana — versions 5.4.0, 5.3.1, 5.4.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@elastic.co (x_refsource_CONFIRM, Release Notes, Vendor Advisory)
security@elastic.co (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
security@elastic.co (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2017-8440?: CVE-2017-8440 is a medium-severity vulnerability in Elastic Kibana, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-06-05.
How severe is CVE-2017-8440?: Medium severity. CVSS v3 base score is 6.1 out of 10.