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CVE-2018-3830

21
FAUCET Score

CVE-2018-3830 is a cross-site scripting (XSS) vulnerability affecting Kibana versions 5.3.0 through 6.4.1, as well as related Elastic and Red Hat products. This medium-severity vulnerability, with a CVSS score of 6.1, allows an unauthenticated attacker to execute arbitrary scripts in a victim's browser, potentially leading to sensitive information disclosure or destructive actions. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.3.0, <= 6.4.1CPE matchmatch criteria
cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*
3.11CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.63%
Probability of exploitation in next 30 days
EPSS Percentile
73.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0163 is in the 86th percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: kibana-0:5.6.12-1.el7
View patch

Vendor Advisories (1)

redhatCVE-2018-3830Moderate

kibana: Cross-site scripting via the source field formatter

Sep 18, 2018

References

access.redhat.com / errata/RHSA-2018:3537
Third Party Advisory
discuss.elastic.co / t/elastic-stack-6-4-1-and-5-6-12-security-update/149035
Release NotesVendor Advisory
elastic.co / community/security
Vendor Advisory