CORS Misconfigurations

Description

During the scan, Kayran managed to find CORS Misconfigurations.
Cross-Origin Resource Sharing is a technology being used by websites to make web browsers use the Same Origin Policy, and, enabling cross-domain communication between different websites.

An attacker might exploit the misconfigured CORS in order to get any sensitive data related to users or even their session.

Severity/Score

Average Score – 6.1 Medium

Recommendation

Use the Access-Control-Allow-Origin header to restrict which domains can create and send cross-origin requests to the web server.

References

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Origin

https://cwe.mitre.org/data/definitions/16

https://cwe.mitre.org/data/definitions/346

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