Home/CVE/Improper neutralization of input during web page generation ('Cross-site Scripting') (CWE-79) allows an unauthenticated
CVE

CVE-2025-68387

Improper neutralization of input during web page generation ('Cross-site Scripting') (CWE-79) allows an unauthenticated

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.

MEDIUM · CVSS 6.1 EPSS 0.00086
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

4
elastic kibana>= 7.0.0 and <= 7.17.29
elastic kibana>= 8.0.0 and < 8.19.9
elastic kibana>= 9.0.0 and < 9.1.9
elastic kibana>= 9.2.0 and < 9.2.3
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · security@elastic.co
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Dec 2025 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://discuss.elastic.co/t/kibana-8-19-9-9-1-9-and-9-2-3-security-update-esa-2025-35/384183Vendor Advisory
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