How to access iframe.contentWindow.document of a nested iframe inside an iframe? [migrated]

I’ve been trying all day to nest created iframes and access their contents, but security restrictions dont let me. Is there a way? I shared my code and everything i tried so far in a codepen. https://codepen.io/serapath/pen/qBGbpMG?editors… Continue reading How to access iframe.contentWindow.document of a nested iframe inside an iframe? [migrated]

Can we identify secondary contexts from web application error messages? [closed]

If a web app is giving normal "not found" page for /blablablaalsdf but for certain paths, it doesn’t give the normal 404 page but gives Cannot Get /<path> instead, would this be an indicator that this path (and whatever un… Continue reading Can we identify secondary contexts from web application error messages? [closed]