Description
A custom icon supplied under rendering.icons as an icon definition object is built by creating an SVG path for each of its child entries and setting every key of that entry as an attribute of the path, without filtering the attribute names; only the string form of the option is passed through the markup allow-list.
Recommendation
Update the @highcharts/grid-pro package to the latest compatible version. Followings are version details:
- Affected version(s): >= 2.3.0, <= 3.1.0
- Patched version(s): 3.2.0
References
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Start a free scanRelated Issues
- Highcharts Grid: custom icon definition objects written with raw `setAttribute` on `<path>` - @highcharts/grid-lite - CVE-2026-118242
- Highcharts Grid Pro: cell-renderer `attributes` map written with raw `setAttribute` - CVE-2026-116797
- Highcharts Grid Pro: cell-renderer `attributes` map written with raw `setAttribute` - @highcharts/dashboards - CVE-2026-116797
- Highcharts Grid parses pagination language options as HTML - CVE-2026-118254
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See something that needs correcting? Let us knowUpdated October 28, 2026