CVE-2018-3821

6.1 mediumEPSS 0.9%

Medium (6.1) in elastic kibana. EPSS 0.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.1 medium

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

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2018-03-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

elastic:kibana

References

https://discuss.elastic.co/t/elastic-stack-6-1-3-and-5-6-7-security-update/117683
https://discuss.elastic.co/t/elastic-stack-6-1-3-and-5-6-7-security-update/117683

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