CVE-2018-3818 Cross-site scripting in Kibana

What is CVE-2018-3818?

CVE-2018-3818 is a medium-severity cross-site scripting vulnerability in Elastic Kibana, published on 30 Mar 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Kibana versions 5.1.1 to 6.1.2 and 5.6.6 had a cross-site scripting (XSS) vulnerability via the colored fields formatter that could allow an attacker to obtain sensitive information from or perform destructive actions on behalf of other Kibana users.

Weakness: CWE-79

Which versions are affected by CVE-2018-3818?

It affects 1 product.

Products include Elastic Kibana.

How do I fix CVE-2018-3818?

No fix has been published for CVE-2018-3818 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2018-3818 being exploited?

There is no known exploitation of CVE-2018-3818 in the wild and no public exploit code.

Other vulnerabilities in Elastic Kibana

• CVE-2019-7609 Kibana Arbitrary Code Execution Exploited Critical 9.8
• CVE-2025-25015 Kibana arbitrary code execution via prototype pollution Critical 9.9
• CVE-2024-37288 Deserialization in Kibana Critical 9.9
• CVE-2023-31415 Code injection in Kibana Critical 9.9
• CVE-2018-17245 Information disclosure in Kibana Critical 9.8

All Elastic Kibana vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-74m8-h6g5-7m87.