What is CVE-2018-3823?

CVE-2018-3823 is a medium-severity vulnerability in Elastic Elasticsearch X-Pack, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-09-19.

How severe is CVE-2018-3823?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Elastic Elasticsearch X-Pack

CVE-2018-3823

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (47.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Elastic Elasticsearch_x-pack
Elastic Elasticsearch X-pack Machine Learning — versions before 6.2.4 and 5.6.9
Elastic Kibana_x-pack
Elastic Logstash_x-pack

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@elastic.co (x_refsource_CONFIRM, Vendor Advisory)
security@elastic.co (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-3823?: CVE-2018-3823 is a medium-severity vulnerability in Elastic Elasticsearch X-Pack, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-09-19.
How severe is CVE-2018-3823?: Medium severity. CVSS v3 base score is 5.4 out of 10.