How to reproduce

• connect to CMS
• Open a page
• Edit a content
• Copy the content of a web page that contains some text and pictures inside the text, for example: http://www.upmc.fr/fr/universite/bibliotheque.html
• Paste everything into a new content
• The text and the image are displayed
• Save it

Actual behavior

• The text and the image are displayed in the editor before saving but not after saving.
• If you re-edit the content, the image are gone.

Expected behavior

• The text and the image are stored and displayed after saving.
• If you re-edit the content, the image are still there.