Advisory Weakness Curation

Prevent RCE when deserializing untrusted user input ### Impact Affected versions of `yiisoft/yii` are vulnerable to Remote Code Execution (RCE) if the application calls `unserialize()` on arbitrary user input. ### Patches Upgrade `yiisoft/yii` to version 1.1.27 or higher. ### For more information See the following links for more details: - Git commit https://github.com/yiisoft/yii/commit/ed67b7cc57216557c5c595c6650cdd2d3aa41c52 - https://owasp.org/www-community/vulnerabilities/PHP_Object_Injection If you have any questions or comments about this advisory, contact us through security form https://www.yiiframework.com/security.

Deserialization of Untrusted Data `yiisoft/yii` before version 1.1.27 is vulnerable to Remote Code Execution (RCE) if the application calls `unserialize()` on arbitrary user input. This has been patched in 1.1.27.

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in yiisoft/yii.