Simple Machines · Simple Machines Forum · CVE-2016-5727
**Name of the Vulnerable Software and Affected Versions**
Simple Machines Forum (SMF) version 2.1
**Description**
The issue allows remote attackers to conduct PHP object injection attacks, enabling them to execute arbitrary PHP code. This is achieved through vectors related to variables derived from user input in a foreach loop within the LogInOut.php file.
**Recommendations**
For Simple Machines Forum (SMF) version 2.1, consider restricting access to the LogInOut.php file until a patch is available, or apply any available configuration changes to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.