I'm encountering an issue with wordpress 3.5.1 (french language). I can't insert images in posts/pages or whatever.
When i access the media library from the button "insert a media" (while editing a post), the media library is empty, so i can choose an already upload image to insert. If i upload an image from my computer, the image loads well (and get upload in the uploads directory), but when i insert it in the post, the media box close and the image don' insert.
On my local development environnement, all works fine, i've try all basic steps to identify the issue with no results. I wonder if it could be an issue from my web host.