Add URL sanitizer to avoid javascript: XSS attack vector

src/core/utils.js

@@ -1,5 +1,5 @@
 import Im from "immutable"
-
+import { sanitizeUrl as braintreeSanitizeUrl } from "@braintree/sanitize-url"
 import camelCase from "lodash/camelCase"
 import upperFirst from "lodash/upperFirst"
 import _memoize from "lodash/memoize"
@@ -722,6 +722,10 @@ export const shallowEqualKeys = (a,b, keys) => {
   })
 }
 
+export function sanitizeUrl(url) {
+  return braintreeSanitizeUrl(url)
+}
+
 export function getAcceptControllingResponse(responses) {
   if(!Im.OrderedMap.isOrderedMap(responses)) {
     // wrong type!