Questions tagged [cors]

Cross-origin resource sharing (CORS) is a mechanism that allows restricted resources on a web page to be requested from another domain outside the domain from which the first resource was served. Use this tag for questions related to CORS.

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Cross domain fetch switching in prod vs dev

I'm beginning a redesign of the front end of my Flask app which currently generates Jinja2 template-based html pages. I am trying to develop a new front end in React, but I want the current front end ...
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Getting around CORS error for displaying images on my website

I have my images stored in an S3 bucket and I am serving them from AWS CloudFront. I have created 2 CNAME records for the CloudFront: mywebsite.com and ...
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Nested cross-origin iframes for secure user-configurable javascript tools

Context I'm trying to build a system in which a tool (the Client) will generate a header to be used as part of an HTTP request from the user's browser. The user should be able to choose their own ...