CVE-2026-118255
High
Description
Highcharts JS is a JavaScript charting library based on SVG. From 2.0.0 until 3.2.0, Highcharts Grid applies credits.href to the credits link without validating the URL scheme. An attacker who controls Grid configuration can provide a javascript URL, and activating the credits link runs script in the origin of the hosting page with access to that application's data and session state.This issue is fixed in Grid Pro 3.2.0.
SeverityHigh
CVSS8.4
Exploit probability—
Product@highcharts/dashboards
PublishedOct 28, 2026
First seenNov 4, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- @highcharts/dashboards4.0.0 or later
- @highcharts/grid-pro3.2.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| @highcharts/dashboardsnpm | 3.2.0 ≤ v ≤ 3.6.0 | 4.0.0 |
| @highcharts/grid-pronpm | 2.0.0 ≤ v ≤ 3.1.0 | 3.2.0 |
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