The wp-content/index.php file on my website was changed. Wordfence sent me this warning yesterday:
File type: Core
Issue first detected: 21 hours 33 mins ago.
This WordPress core file has been modified and differs from the original file distributed with this version of WordPress.
The file now reads:
// Silence is golden.
Apparently, the only change was the addition of the ?> at the end of the file.
The original file I downloaded when i installed wordpress does not contain that. What should I do?