Cross-site scripting in Elasticsearch X-Pack Machine Learning
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Elastic | Elasticsearch X-Pack Machine Learning | before 6.2.4 and 5.6.9 | — | No fix listed | CNA |
- Elasticsearch X-Pack Machine Learning VendorElastic Affected before 6.2.4 and 5.6.9 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:elastic:elasticsearch_x-pack:*:*:*:*:*:*:*:* | before 5.6.9; 6.0.0 to before 6.2.4 | Vulnerable | Elastic |
| cpe:2.3:a:elastic:kibana_x-pack:*:*:*:*:*:*:*:* | before 5.6.9; 6.0.0 to before 6.2.4 | Vulnerable | Elastic |
| cpe:2.3:a:elastic:logstash_x-pack:*:*:*:*:*:*:*:* | before 5.6.9; 6.1.0 to before 6.2.4 | Vulnerable | Elastic |
- cpe:2.3:a:elastic:elasticsearch_x-pack:*:*:*:*:*:*:*:* Versions before 5.6.9; 6.0.0 to before 6.2.4 Vulnerable ·Elastic
- cpe:2.3:a:elastic:kibana_x-pack:*:*:*:*:*:*:*:* Versions before 5.6.9; 6.0.0 to before 6.2.4 Vulnerable ·Elastic
- cpe:2.3:a:elastic:logstash_x-pack:*:*:*:*:*:*:*:* Versions before 5.6.9; 6.1.0 to before 6.2.4 Vulnerable ·Elastic
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-3823
- 2026-10-03 Alias added: GHSA-4q33-p7w3-3rq8
- 2026-10-19 EPSS moved to the 50th–90th percentile
References
More Elasticsearch X-pack vulnerabilities
- TI-2018-02794 Cross-site scripting in Elasticsearch X-Pack Machine Learning CVSS 3.0MEDIUM 6.1
Sources
- CVE-2018-3823 · CVE Program
- CVE-2018-3823 · NVD
- FIRST EPSS
- GHSA-4q33-p7w3-3rq8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences