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Fencer Intel
medium 6.1

CVE-2018-3824 json

Elasticsearch subject to cross site scripting

published 8y ago modified 4mo ago also GHSA-mjpc-qx7h-r8c9 , EUVD-2022-4583

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

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.

Patch / fix

  • maven org.elasticsearch:elasticsearch 5.6.9, 6.2.4
  • elastic elasticsearch_x-pack 5.6.9, 6.2.4
  • elastic kibana_x-pack 5.6.9, 6.2.4
  • elastic logstash_x-pack 5.6.9, 6.2.4

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Exploit prediction

0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
maven org.elasticsearch:elasticsearch
<5.6.9
>=6.0.0, <6.2.4
5.6.9
6.2.4

Affected products

  • Elastic Elasticsearch X-Pack Machine Learning

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.