CVE-2026-42401 (GCVE-0-2026-42401)
Vulnerability from cvelistv5
Published
2026-05-28 19:40
Modified
2026-05-29 16:47
Severity ?
4.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Summary
Improper Neutralization of Input During Web Page Generation (CWE-79) in Kibana can lead to stored HTML injection. A user with write access to an Elasticsearch index could persist crafted markup which, when subsequently rendered through an affected Kibana view by another user, was not sufficiently sanitized. Successful exploitation could result in unauthorized UI manipulation and outbound network requests issued from the viewing user's browser session.
References
Impacted products
Vendor Product Version
Elastic Kibana Version: 9.0.0   ≤ 9.3.4
Version: 8.0.0   ≤ 8.19.15
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