CVE-2018-20745: Origin Validation Error

January 28, 2019 (updated February 20, 2019)

Yii actively converts a wildcard CORS policy into reflecting an arbitrary Origin header value, which is incompatible with the CORS security design, and could lead to CORS misconfiguration security problems.

References

github.com/yiisoft/yii2/issues/16193
nvd.nist.gov/vuln/detail/CVE-2018-20745

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