AI Score
Confidence
High
EPSS
Percentile
35.4%
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.
github.com/yiisoft/yii2/issues/16193
www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdf