There are many websites with upload functionality. If the files are not corrected checked, it can have a huge security issue. The attackers can upload malicious PHP files. These files get executed inside the server. The old versions of WordPress module have a PHP code upload vulnerability. It is present in the WordPress ThemePunch Slider Revolution (RevSlider) plugin. This vulnerability allows for a file upload and remote code execution.
The RevSlider module can be used to exploit an arbitrary PHP code upload vulnerability in the WordPress ThemePunch Slider Revolution (RevSlider) plugin, versions 3.0.95 and prior. This vulnerability will allow an attacker to upload an arbitrary file and perform remote code execution
Using this vulnerability, an attacker can:-