Highcharts JS is a JavaScript charting library based on SVG. From 1.0.0 until 4.2.3, Highcharts Dashboards edit-mode sidebar parses component language strings as HTML rather than inserting them as text. An attacker who controls the Dashboards language configuration can provide markup containing event handlers, which execute in the hosting page origin when a user opens the edit-mode sidebar and the affected labels render. This issue is fixed in 4.2.3.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 28 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Description Highcharts JS is a JavaScript charting library based on SVG. From 1.0.0 until 4.2.3, Highcharts Dashboards edit-mode sidebar parses component language strings as HTML rather than inserting them as text. An attacker who controls the Dashboards language configuration can provide markup containing event handlers, which execute in the hosting page origin when a user opens the edit-mode sidebar and the affected labels render. This issue is fixed in 4.2.3.
Title Highcharts Dashboards: sidebar component labels are parsed as HTML
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-10-28T18:08:33.407Z

Reserved: 2026-10-27T20:13:55.313Z

Link: CVE-2026-118252

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-28T19:17:29.483

Modified: 2026-10-28T19:17:29.483

Link: CVE-2026-118252

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses