RESTEasy: PathParam in RESTEasy can lead to a reflected XSS attack

A reflected Cross-Site Scripting XSS flaw was found in RESTEasy in all versions of RESTEasy up to 4.6.0.Final, where it did not properly handle URL encoding when calling @javax.ws.rs.PathParam without any @Produces MediaType. This flaw allows an attacker to launch a reflected XSS attack. The...