Yii Framework Yiiframework Yii

Unsafe deserialization in Yii 2

Yii 2 before 2.0.52 mishandles the attaching of behavior that is defined by an __class array key, a CVE-2024-4990 regression, as exploited in the wild in February through April 2025.

Unsafe deserialization of user data in yiisoft/yii

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.

SQL injection vulnerability found in Yii Framework Yii 2 Framework before v.2.0.47 allows the a remote attacker to execute arbitrary code via the runAction function. NOTE: the software maintainer's position is that the vulnerability is in third-party code, not in the framework.

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.

yiisoft/yii before v1.1.27 vulnerable to Remote Code Execution if the application calls `unserialize()` on arbitrary user input

web\ViewAction in Yii (aka Yii2) 2.x before 2.0.5 allows attackers to execute any local .php file via a relative path in the view parameeter.

yiisoft Yii2 MockClass.php generate deserialization

yiisoft Yii2 SortableIterator.php getIterator deserialization

Unsafe Reflection in base Component class in yiisoft/yii2

Use of Predictable Algorithm in Random Number Generator in yiisoft/yii2

Use of Predictable Algorithm in Random Number Generator in yiisoft/yii2

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.

Yii 2 v2.0.45 was discovered to contain a cross-site scripting (XSS) vulnerability via the endpoint /books. NOTE: this is disputed by the vendor because the cve-2022-31454-8e8555c31fd3 page does not describe why /books has a relationship to Yii 2.

Yii does not prevent XSS in scenarios where fallback error renderer is used

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.

Reflected Cross-site Scripting in yiisoft/yii2 Debug mode