What do cross-domain requests, cross-domain attacks, and cross-domain protocols entail?

Can anyone provide clarification on the concepts of cross domain requests, cross domain attacks, and cross domain protocols as they relate to the AJAX terminology?

Answer №1

When websites request content from a different host than where they are hosted, this is known as a cross-domain request. A common example is a site hosted on Google loading an icon from the Facebook domain.

A cross-domain attack occurs when the requesting domain cannot verify the content retrieved from another host, leaving it vulnerable to modifications. This can lead to serious security breaches, such as sending a login form from a different domain instead of the legitimate login page. Poorly designed interfaces can inadvertently allow users to input sensitive information without realizing the source.

As for Ajax protocols, there is still some uncertainty on my end.

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