Cookies and Iframes

Marcos Abel
Jul 13, 2020 · 4 min read
Photo by Clem Onojeghuo on Unsplash

It’s been a while since the last time you had the pleasure of having your application consumed from an Iframe. But some legacy application “needs” to do exactly that. You test the “integration” and it doesn’t work. The cookies for the requests made by the Iframe don’t make its way to the server.

Sounds Familiar? It happened to me some time ago and it took some digging around to understand and diagnose the problem. This kind of…