fix: 403 for localhost http host and cors any #8524
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A malicious/compromised website can make HTTP requests to localhost. Typically, such requests would trigger a CORS preflight check which would prevent the request; however, some requests are "simple" and do not require a preflight check. This PR changes the CORS filter to return 403 if the host is localhost and the cors is set to any, which is the default if you set: micronaut.server.cors.enabled=true
yawkat
approved these changes
Dec 22, 2022
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A malicious/compromised website can make HTTP requests to localhost. Typically, such requests would trigger a CORS preflight check which would prevent the request; however, some requests are "simple" and do not require a preflight check.
This PR changes the CORS filter to return 403 if the host is localhost and the cors is set to any, which is the default if you set:
micronaut.server.cors.enabled=true