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Cross-Origin Resource Sharing

Cross-Origin Resource Sharing or CORS is a W3C standard that allows client-side scripts running in one domain called the client to make XMLHttpRequests to resources in another domain.

Last updated on : 2025-11-11

Browser Versions

Edge

Firefox

Chrome

Safari

Opera

5.5 - 7

8 - 10

11 - 11

12 - 142

2 - 3

3.6 - 147

4 - 12

13 - 145

3.2 - 3.1

4 - 5

6.1 - 26.2

9.5 - 11

12.1 - 122

Fully Supported

Partially

No Support

Specifications

FetchThe definition of 'CORS' in that specification. Living Standard New definition; supplants W3C CORS specification.

Browser Compatibility

Cross-Origin Resource Sharing on IE is fully supported on 11-11, partially supported on 8-10, and not supported on 5.5-7 IE versions.

Cross-Origin Resource Sharing on Edge is fully supported on all Edge versions.

Cross-Origin Resource Sharing on Firefox is fully supported on 3.6-147, and not supported on 2-3 Firefox versions.

Cross-Origin Resource Sharing on Chrome is fully supported on 13-145 and partially supported on 4-12 Chrome versions.

Cross-Origin Resource Sharing on Safari is fully supported on 6.1-26.2, partially supported on 4-5, and not supported on 3.2-3.1 Safari versions.

Cross-Origin Resource Sharing on Opera is fully supported on 12.1-122, and not supported on 9.5-11 Opera versions.

Cross-Origin Resource Sharing on Safari on iOS is fully supported on 6-26.1 and partially supported on 3.2-5 Safari on iOS versions.

Cross-Origin Resource Sharing on Android Browser is fully supported on 4.4-142 and partially supported on 2.3-4 Android Browser versions.

Cross-Origin Resource Sharing on Opera Mobile is fully supported on 12.1-80, and not supported on 10-11 Opera Mobile versions.

Cross-Origin Resource Sharing on Chrome for Android is fully supported on all Chrome for Android versions.

Cross-Origin Resource Sharing on Firefox for Android is fully supported on all Firefox for Android versions.

Cross-Origin Resource Sharing on Samsung Internet is fully supported on all Samsung Internet versions.

Browser Support for Cross-Origin Resource Sharing

Cross-Origin Resource Sharing on Chrome

Cross-Origin Resource Sharing on Safari

Cross-Origin Resource Sharing on Firefox

Cross-Origin Resource Sharing on Internet Explorer

Cross-Origin Resource Sharing on Opera

Cross-Origin Resource Sharing on Edge

References

Data sourced from

100

High

Overall Browser Compatibility Score

Note:Cross-Origin Resource Sharing shows a browser compatibility score of 100. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.

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