XSS in Vega

Vega is a visualization grammar, a declarative format for creating, saving, and sharing interactive visualization designs. Vega in an npm package.
In Vega before version 5.17.3 there is an XSS vulnerability in Vega expressions. Through a specially crafted Vega expression, an attacker could
execute arbitrary javascript on a victim’s machine.

This is fixed in version 5.17.3