Arbitrary file upload in Elastic Kibana

CVE-2024-11390

Unrestricted upload of a file with dangerous type in Kibana can lead to arbitrary JavaScript execution in a victim’s browser (XSS) via crafted HTML and JavaScript files. The attacker must have access to the Synthetics app AND/OR have access to write to the synthetics indices.

Vulnerability class: Unrestricted File Upload

EPSS: 0.003 (22.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-11390?
CVE-2024-11390 is a medium-severity vulnerability in Elastic Kibana, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.4/10. Published 2025-05-01.
How severe is CVE-2024-11390?
Medium severity. CVSS v3 base score is 5.4 out of 10.