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Update "Use only JSON API" #11

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6 changes: 3 additions & 3 deletions README.md
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Expand Up @@ -25,11 +25,11 @@ there might be some inputs for credit card and social security info.

## How to mitigate CSRF attacks?

### Use only JSON APIs
### Use only JSON APIs and check for Content-Type

AJAX calls use JavaScript and are CORS-restricted.
There is no way for a simple `<form>` to send `JSON`,
so by accepting only JSON,
A simple `<form>` with the form data encoding `text/plain` is still able to forge requests containing valid JSON data,
so by accepting only JSON with `Content-Type: application/json` on the request
you eliminate the possibility of the above form.

### Disable CORS
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