Yii 2.x before 2.0.15 allows remote attackers to inject unintended search conditions via a variant of the CVE-2018-7269 attack in conjunction with the Elasticsearch extension.
An XSS vulnerability exists in framework/views/errorHandler/exception.php in Yii Framework 2.0.12 affecting the exception screen when debug mode is enabled, because $exception->errorInfo is mishandled.