CVE-2025-26619 Vega Cross-Site Scripting (XSS) via event filter when not using CSP mode `expressionInterpeter`

Vega is a visualization grammar, a declarative format for creating, saving, and sharing interactive visualization designs. In vega 5.30.0 and lower and in vega-functions 5.15.0 and lower , it was possible to call JavaScript functions from the Vega expression language that were not meant to be...