CVE-2021-37936: Elastic Kibana

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

It was discovered that Kibana was not sanitizing document fields containing HTML snippets. Using this vulnerability, an attacker with the ability to write documents to an elasticsearch index could inject HTML. When the Discover app highlighted a search term containing the HTML, it would be rendered for the user.

Affected products

• Elastic Kibana: before 7.14.1 (fixed in 7.14.1)

Published 2022-11-18. Last modified 2026-06-17.