Is CVE-2018-3823 in the CISA KEV catalog?

No. CVE-2018-3823 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-3823?

CVE-2018-3823 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2018-3823?

CVE-2018-3823 has an EPSS score of 0.65% (47th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-3823?

Upgrade elasticsearch x-pack to 6.2.4 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2018-3823

MEDIUM

5.4

CVSS v3

NVD

Description

X-Pack Machine Learning versions before 6.2.4 and 5.6.9 had a cross-site scripting (XSS) vulnerability. Users with manage_ml permissions could create jobs containing malicious data as part of their configuration that could allow the attacker to obtain sensitive information from or perform destructive actions on behalf of other ML users viewing the results of the jobs.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

elasticsearch x-packNVD

Affected:>= 6.0.0, < 6.2.4Fixed in:6.2.4CVE-2018-3823derived from NVD

kibana x-packNVD

Affected:>= 6.0.0, < 6.2.4Fixed in:6.2.4CVE-2018-3823derived from NVD

logstash x-packNVD

Affected:>= 6.1.0, < 6.2.4Fixed in:6.2.4CVE-2018-3823derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.65%probability of exploitation in 30 days

47thpercentile

Moderate risk: more likely to be exploited than 47% of all known CVEs.

References

Vendor Advisory2

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.