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Access to fetch at 'https://api.kendozone.com/auth/login' from origin[...] has been blocked by CORS policy

By : user2175909
Date : October 14 2020, 02:24 PM
wish helps you It seems to me that the simplest way would be to define a Access-Control-Allow-Origin header on your lumen application allowing access from https://v2.kendozone.com.
See https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS for exact formatting and possibilities.
code :

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Cloudfront CDN Font blocked by CORS policy blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on

By : G.Eire
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further Did you figure it out yet? A link to your cdn or the website that was to use the cdn would be helpful.
It could be that Chrome does a preflight OPTIONS request to your distribution, and that your origin doesn't have the header set for that. You can check this with curl -I -X OPTIONS http://cdn.example.com/ThemeIcons.woff?387osh

Access to fetch at $AWS_LAMBDA_SITE from origin 'http://localhost:3000' has been blocked by CORS policy

By : user2041774
Date : March 29 2020, 07:55 AM
hope this fix your issue You can pass origin header in request from your local app. And in response from AWS lambda you can add below response headers :
code :
headers :{
    "access-control-allow-origin": "localhost",
    "access-control-allow-credentials": "true"
 "localhost, yourdomain.com"

Access to XMLHttpRequest at 'https://...' from origin 'http://...' has been blocked by CORS policy(Spring Boot & Ang

By : user2327941
Date : March 29 2020, 07:55 AM
may help you . As per Spring Security you should enable localhost domain to allow access, or allow all domain to access(not secure)
code :
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {

    protected void configure(HttpSecurity http) throws Exception {
            // by default uses a Bean by the name of corsConfigurationSource

    CorsConfigurationSource corsConfigurationSource() {
        CorsConfiguration configuration = new CorsConfiguration();
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", configuration);
        return source;

Access to fetch from origin localhost blocked by CORS policy, post using ajax does not. Why?

By : Jade
Date : March 29 2020, 07:55 AM
it fixes the issue The problem ended up being threefold.
Which Rory commented, jQuery doesn't change anything to CORS. This was my error, I had two end points, one for development which accepts cross domain calls and one which doesn't, they looked very similar and behaves the same, with the exception of CORS. jQuery by default set the Content-Type header to application/x-www-form-urlencoded; charset=UTF-8 if none is provided. Fetch doesn't default to anything specific. jQuery also parses the data sent automatically to a format which is accepted by php and ruby backends. Which looks something like
code :
moment[parameters]: value
moment[url]: value
moment[caption]: value

Access to XMLHttpRequest at 'https://js.stripe.com/v2/' from origin 'http://localhost' has been blocked by CORS policy:

By : Ye Xu
Date : September 26 2020, 10:00 PM
wish helps you This is a URL to a library. If you get a CORS error, that means you tried to load it via XMLHttpRequest or fetch, and the Stripe server is not designed to serve this library via a cross-origin request. Rather add this in your HTML
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