What is CVE-2025-68387?

CVE-2025-68387 is a medium-severity vulnerability in Elastic Kibana, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-12-18.

How severe is CVE-2025-68387?

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

XSS in Elastic Kibana

CVE-2025-68387

Improper neutralization of input during web page generation ('Cross-site Scripting') (CWE-79) allows an unauthenticated user to embed a malicious script in content that will be served to web browsers causing cross-site scripting (XSS) (CAPEC-63) via a vulnerability a function handler in the Vega AST evaluator.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (8.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Elastic Kibana — versions 7.0.0, 8.0.0, 9.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@elastic.co (Vendor Advisory)

Frequently asked questions

What is CVE-2025-68387?: CVE-2025-68387 is a medium-severity vulnerability in Elastic Kibana, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-12-18.
How severe is CVE-2025-68387?: Medium severity. CVSS v3 base score is 6.1 out of 10.