## Highcharts Grid: custom icon definition objects written with raw `setAttribute` on `<path>`

- 種別: advisory
- 重大度: high
- 関連技術: nodejs
- CVE: CVE-2026-118242
- 公開日時: 2026-10-28T19:55:46.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-6g3c-p4fg-xv47)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-6g3c-p4fg-xv47

影響: npm:@highcharts/grid-lite >= 2.3.0, <= 3.1.0 → 3.2.0, npm:@highcharts/grid-pro >= 2.3.0, <= 3.1.0 → 3.2.0
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. An attacker who controls the Grid configuration can therefore supply child entries whose keys name event handlers, and those handlers execute in the origin of the page hosting the Gr…