A vulnerability has been found in SimpleMachines SMF 2.1.4 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /index.php?action=profile;u=2;area=showalerts;do=read of the component User Alert Read Status Handler. The manipulation of the argument aid leads to improper control of resource identifiers. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

A vulnerability, which was classified as critical, was found in SimpleMachines SMF 2.1.4. Affected is an unknown function of the file /index.php?action=profile;u=2;area=showalerts;do=remove of the component Delete User Handler. The manipulation of the argument aid leads to improper control of resource identifiers. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

LogInOut.php in Simple Machines Forum (SMF) 2.1 allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via vectors related to variables derived from user input in a foreach loop.

Packages.php in Simple Machines Forum (SMF) 2.1 allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via the themechanges array parameter.

Unrestricted file upload vulnerability in the avatar upload functionality in Simple Machines Forum before 2.0.6 and 2.1 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in an unspecified directory.