The findByCondition function in framework/db/ActiveRecord.php in Yii 2.x before 2.0.15 allows remote attackers to conduct SQL injection attacks via a findOne() or findAll() call, unless a developer recognizes an undocumented need to sanitize array input.

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.

Yii 2.x before 2.0.15 allows remote attackers to execute arbitrary LUA code via a variant of the CVE-2018-7269 attack in conjunction with the Redis extension.