jQuery/JavaScript: accessing contents of an iframe

I would like to manipulate the HTML inside an iframe using jQuery. I thought I'd be able to do this by setting the context of the jQuery function to be the document of the iframe, something...

Disable same origin policy in Chrome

Is there any way to disable the Same-origin policy on Google's Chrome browser?

How can I work around Access-Control-Allow-Origin in extensions

My requests fail because of the same origin policy, but is there anyway I can work around this in extensions using the webRequest api to modify the headers?

Does a proper CORS setup prevent CSRF attack?

If CORS is properly setup on a server to only allow a certain origins to access the server, Is this enough to prevent CSRF attacks?

Access subdomain iframe url from other subdomain page

I'm trying to access the iframe contentWindow property for an iframe which is hosted on a subdomain within the same domain. So I have this code on a.domain.com (which hosts the role of parent...

SecurityError: Blocked a frame with origin from accessing a cross-origin frame

I am loading an <iframe> in my HTML page and trying to access the elements within it using Javascript, but when I try to execute my code, I get the following error: SecurityError: Blocked a frame...

CORS error with jquery

I'm currently working on a project using the cloudapp API and I'm using jquery. Here is my code: $.ajax({ headers: { "Accept": "application/json"}, type: 'GET', url:...

How to fix cross-origin request fail in Firefox

I have a javascript file in which i want to send json data to a ERP system: var formData1 =...

Disable-web-security in Chrome 48+

I have a problem with the --disable-web-security flag. It is not working in Chrome 48 and Chrome 49 beta on Windows. I've tried killing all of the instances, reboot and run Chrome with the flag...

Spring Boot CORS filter - CORS preflight channel did not succeed

I need to add CORS filter to my Spring Boot web application. I have added CORS mappings as described in the following documentation...

jQuery $.getJSON method still giving CORS error

Here's my code based off this question $(document).ready(function(){ $('#new-quote').click(function(){ var url = 'http://api.forismatic.com/api/1.0/?format=jsonp&jsonp=_'; $.getJSON(url,...

Javascript XMlHttprequest to another domain

I am making a cross site http request using the Javascript XMlHttprequest api to send and retrieve data in post method. The purpose is to send sms using this service provided by the 3rd party....

CORS Error on Wikipedia API

I am a little confused about how to handle a wikipedia api call in react. I keep running into this error: Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote...

CORS : Response to preflight request doesn't pass access control check: Redirect is not allowed for a preflight request

I am trying to integrate the angualar js app with the backend spring boot , in which i am facing the redirection is not allowed for a preflight request This is deployed on openshift , i have...

Amazon S3/Accelerated bucket upload fails ONLY for slow connection users

We're enabling our users to upload videos onto our Amazon S3 bucket. It's been fitted with the "acceleration" option and using Multi-Part upload from our JS. However, we've noticed something very...

Access-Control-Allow-Origin cors error happening on NodeJS or Nginx

First at all, I have researched about the topic after writing the question, there are many similar question but I think the problem here is...

Firefox CORS failure with express node server

I'm using Express.js with the CORS middleware. I'm getting very strange behavior on Firefox v73.0.1 (64-bit) Clean firefox profile... so nothing is cached. I try a direct request to...

Same-origin request causes “Access-Control-Allow-Origin doesn’t match” error, though origin of course matches. Note: has CSP policy w/ "sandbox"

When the exact same URL is being used in both by CORS and its web pages' URL, I still get the same error messages in my Firefox development console. Browser console messages were: Cross-Origin...

How to disable CORS for google chrome in android studio emulator?

I am running my localhost web app in android studio emulator using port forwarding. But from server I get CORS error for backend APIs. I solved the issue on desktop using CORS disable extension or...

sockjs-node Cross-Origin Request Blocked warnings after terminating webpack running Vue.js with Ctrl+C

Working with Django and Vue.js for an application. I'm running the website on https://localhost:8000 and the frontend on port 8080 as a local https grid instance. Before setting up headers, I kept...

Azure Web App multi-container, hitting against CORS regardless of settings

Overview I have a frontend using Vue and a backend using FastAPI. I have made Docker containers of both and a docker-compose.yml to hook it all together. It all works fine locally when I am...

How to setup ClientCredentials flow with swagger UI and workaround options preflight issue (CORS)

I have an asp.net core application using swagger library <PackageReference Include="Swashbuckle.AspNetCore" Version="5.6.3" /> Id like to allow the api developers using the /swagger web page to...

.Net Core Api template CORS issue get from axios

Im currently following a React tutorial where at one point axios is used to get data from a fake webservice. I've decided to make a bare bones web server using the ASP.net Core application A{I...

How to solve flutter web api cors error only with dart code?

It seems like CORS error is well-known issue in the web field. But I tried flutter web for the first time ever and I faced critical error. The code below worked well in app version when it was...

CORS Missing Allow Origin

My server (written with Django) is running at http://localhost:8000. The Nuxt application is running at http://localhost:3000. When I send a request (like...

React-Google-Login GoogleLogin component throwing Invalid cookiePolicy error

I'm using React to build a simple site, and I'm testing out the GoogleLogin component from https://www.npmjs.com/package/react-google-login. I run react on http://localhost:3000. I have the...

Recaptcha V2 not working after adding COEP headers (Cross Origin Isolation)

I am using SharedArrayBuffer for some of functionalities in one of the webapp. On Chrome version 92 I have enabled cross origin isolation as per instructions here and added following headers to...

Google oAuth 2.0 API Authentication Error: Error 400 - redirect_uri_mismatch (does not comply with policy) DJANGO APP

I am trying to get my google authentication working on a Django app that is requesting Gmail and Calendar data. I have set up the oAuth API in the Google developer console and linked it with my...

I get a cross-origin error when making a HTTP requests

I have requests that are valid when I am making requests from browser , but through the Angular 9 app I get a 401 error. This is the header from chrome: Request URL:...

Error 400: invalid_request when using Google Oauth 2.0 in local

Authorization Error Error 400: invalid_request You can't sign in to this app because it doesn't comply with Google's OAuth 2.0 policy for keeping apps secure. You can let the app developer know...