XSS in Elastic Elasticsearch X-Pack

CVE-2018-3824

X-Pack Machine Learning versions before 6.2.4 and 5.6.9 had a cross-site scripting (XSS) vulnerability. If an attacker is able to inject data into an index that has a ML job running against it, then when another user views the results of the ML job it could allow the attacker to obtain sensitive information from or perform destructive actions on behalf of that other ML user.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (55.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-3824?
CVE-2018-3824 is a medium-severity vulnerability in Elastic Elasticsearch X-Pack, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-09-19.
How severe is CVE-2018-3824?
Medium severity. CVSS v3 base score is 6.1 out of 10.