CVE-2018-20745

Yii 2.x through 2.0.15.1 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.

Date published : 2019-01-28

https://github.com/yiisoft/yii2/issues/16193

https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdf