Unauthorized client-side property update in UIDL request handler in Vaadin 10 and 11

Missing check in UIDL request handler in com.vaadin:flow-server versions 1.0.0 through 1.0.5 Vaadin 10.0.0 through 10.0.7, and Vaadin 11.0.0 through 11.0.2 allows attacker to update element property values via crafted synchronization message. See CWE-754: Improper Check for Unusual or Exceptional...