A vulnerability has been reported in the OptimizePress plugin for WordPress, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to the /wp-content/themes/OptimizePress/lib/admin/media-upload.php script improperly validating the extension of an uploaded file. This can be exploited to execute arbitrary PHP code by uploading a malicious PHP script.
The vulnerability is reported in versions prior to 1.6.