CVE-2014-6439

Cross-site scripting (XSS) vulnerability in the CORS functionality in Elasticsearch before 1.4.0.Beta1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Published: 2014-10-10 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-6439 is rated Moderate Risk (42/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.63%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-6439

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-25 0.40% 0.63% +0.24%
2 2025-09-30 0.32% 0.40% +0.08%
3 2025-03-31 0.32%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-6439

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2014-6439

GitHub Security Advisory for CVE-2014-6439

GHSA-8699-m855-cwqf · Severity: medium · Ecosystem: maven — Cross-site scripting in Elasticsearch

OS Trackers for CVE-2014-6439

vendor priority summary link
redhat low https://access.redhat.com/security/cve/CVE-2014-6439
ubuntu medium CVE-2014-6439 medium priority: Ubuntu including 1 source packages (elasticsearch), 6 status rows across 6 suites (jammy, noble, plucky, questing, upstream, xenial): DNE 4, needs-triage 1, released 1. https://ubuntu.com/security/CVE-2014-6439

Affected software / configurations for CVE-2014-6439

Vendor Product Version Raw CPE
elasticsearch elasticsearch <= 1.3.3 cpe:2.3:a:elasticsearch:elasticsearch:*:*:*:*:*:*:*:*

References for CVE-2014-6439

cvelogic Threat Intelligence