CVE detail
CVE-2026-42401
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.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 6.9 · diversity 5.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
1 source links · newest first
- https://discuss.elastic.co/t/kibana-8-19-16-9-3-5-security-update-esa-2026-34/386552discuss.elastic.co
No excerpt available.
Vendor Advisorydiscuss.elastic.coMay 28, 2026, 8:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2025-68387CVSS 6.1 · Medium
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 se…
- CVE-2025-68385CVSS 7.2 · High
Improper neutralization of input during web page generation ('Cross-site Scripting') (CWE-79) allows an authenticated user to embed a malicious script in content that will be serv…
- CVE-2025-37732CVSS 5.4 · Medium
Improper neutralization of input during web page generation ('Cross-site Scripting') (CWE-79) allows an authenticated user to render HTML tags within a user’s browser via the inte…
- CVE-2025-25018CVSS 8.7 · High
Improper Neutralization of Input During Web Page Generation in Kibana can lead to stored Cross-Site Scripting (XSS)
- CVE-2025-25017CVSS 8.2 · High
Improper Neutralization of Input During Web Page Generation in Kibana can lead to Cross-Site Scripting (XSS)
- CVE-2025-25009CVSS 8.7 · High
Improper Neutralization of Input During Web Page Generation in Kibana can lead to Stored XSS via case file upload.