A system and method for facilitating interaction between computing sessions. An example method provides for first web application to use a same session as a user session of a second web application that is external to the first web application. The first web application can replicate portions of a session Uniform Resource Locator (URL) and submit one or more modified URLs to the second web application. The second web application then handles communications with both the browser and the first web application as a single session. In a particular embodiment, the second web application need not be modified to handle this type of 3-way single session.