When upgrading to Firefox 39, you are no longer able to select individual words in a table cell when using the Aloha Editor.
Firefox update version 39.0
Currently there is no workaround for this issue other than staying on version 38 or lower. The issue can be replicated on aloha's website old.alohaeditor.org/demos/3col/. We have submitted this as an issue on their GitHub page to be resolved. This issue can be tracked here .