XSS in Elastic Kibana

CVE-2025-25009

Improper Neutralization of Input During Web Page Generation in Kibana can lead to Stored XSS via case file upload.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (5.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.

Affected products

Elastic Kibana — versions 7.0.0, 8.14.0, 8.19.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

discuss.elastic.co/t/kibana-8-18-8-8-19-5-9-0-8-and-9-1-5-security-update-esa-2…

Frequently asked questions

What is CVE-2025-25009?: CVE-2025-25009 is a high-severity vulnerability in Elastic Kibana, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2025-10-07.
How severe is CVE-2025-25009?: High severity. CVSS v3 base score is 8.7 out of 10.
Is CVE-2025-25009 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.