Security readout for executives and security teams
Plain-English summary
CVE-2016-10366 is a cross-site scripting issue in older Elastic Kibana releases. If a vulnerable Kibana instance is still in use, an attacker could potentially make a user’s browser run unwanted script in the Kibana context. The public record is sparse, so business urgency depends mainly on whether legacy Kibana is exposed to untrusted users.
Executive priority
Prioritize this when legacy Kibana remains reachable by users or networks outside a trusted operations group. If all Kibana deployments are modern or isolated, urgency is lower, but unsupported legacy systems should still be removed from production risk registers.
Technical view
The CVE identifies CWE-79 XSS affecting Elastic Kibana versions after and including 4.3 and before 4.6.2. The source bundle does not describe the vulnerable feature, trigger conditions, authentication requirements, CVSS score, or exploit details. Treat exposure as version-driven and validate against deployed Kibana versions and Elastic guidance.
Likely exposure
Exposure is most likely in legacy environments still running Kibana 4.3.x through 4.6.1, especially if Kibana is reachable from the internet, shared broadly, or accessible to semi-trusted users. Modern deployments outside that range are not shown as affected by the supplied sources.
Exploitation context
The supplied sources do not show CISA KEV listing, active exploitation, public exploit use, or weaponized details. The known issue class is XSS, which typically depends on a user interacting with crafted content or visiting a vulnerable application path, but the exact trigger is not provided here.
Researcher notes
The public data provided is minimal: affected range, vendor, product, CWE, and Elastic reference. No CVSS vector, vulnerable component, exploit preconditions, or patch note detail is included. Avoid claims beyond version exposure unless Elastic documentation supplies more context.
Mitigation direction
- Inventory Kibana deployments and identify versions 4.3.x through 4.6.1.
- Upgrade affected Kibana instances out of the vulnerable range following Elastic guidance.
- Restrict Kibana access to trusted networks and authenticated users.
- Retire unsupported legacy Kibana where upgrade is not feasible.
- Monitor Elastic security guidance for any additional remediation details.
Validation and detection
- Confirm deployed Kibana versions from asset inventory or runtime metadata.
- Verify no production instance runs Kibana 4.3.x through 4.6.1.
- Check whether any Kibana endpoint is internet-facing or broadly reachable.
- Review access controls for Kibana users and administrative dashboards.
- Document compensating controls for any instance awaiting upgrade.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2016-10366 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.elastic.co/community/securityCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.