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CVE-2026-118245Published

Highcharts Dashboards: `chartConstructor` is an unchecked lookup into the Highcharts namespace

Exact source revision recorded 28 Oct 2026 18:46:48 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-118245

Published

Highcharts JS is a JavaScript charting library based on SVG. From 1.0.0 until 4.2.2, Highcharts Dashboards uses chartConstructor as an unchecked property lookup in the Highcharts namespace and invokes the selected member with the component container and chartOptions. An attacker who controls dashboard configuration can select a public utility function instead of a supported chart constructor, causing attacker-controlled options to be copied to the container as properties or attributes. Markup and event handlers can then execute in the hosting page origin when the board renders. No user interaction beyond rendering the board is required. This issue is fixed in 4.2.2.

Source published
28 Oct 2026 17:44:51 UTC
Source modified
28 Oct 2026 17:44:51 UTC
Observed here
28 Oct 2026 18:46:48 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 4.0 · 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N

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Sources read 7 Nov 03:42 UTC · 275 of 275 readable · 274 fully read · documentation 469/469 current

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