Elastic: [Swiftype] - Stored XSS via document field `url` triggers on `https://app.swiftype.com/engines/<engine>/document_types/<type>/documents/<id>`

Dear Team, I have found a stored XSS when create a document via API-based engine. The XSS payload stored in url field. To understand about document schema for API-based engine, please go to https://swiftype.com/documentation/site-search/guides/schema-designapi-based After indexed a document with...