In the inline editor, the buttons Cut/Copy and Paste are locked by default by the browsers as it could be a security hole.
Their are workaround provided by the interface but you may want to unlock it for good :
Depending on your enterprise security policy, you may not be able to do this manipulation. Please ask your administrator to do so.
The mention "Trusted site" should appear at the bottom of the screen when connected to the CMS.
Close now all your Internet Explorer windows and reconnect.
The clipboard access dialog box should not appear anymore.
(Please note this manipulation can be reversed by removing the site from the trust list - a restart is necessary -)
You can test the effect immediatly (without closing or refreshing).
A popup is now displayed when a application try to access the clipboard. (Use the Paste button in an inline editor)
Ensure you believe this application and validate.
Your answer is kept for you current session unless you check the "Remind this decision" checkbox (recommanded).
(Please note, this manipulation is reversable, since you can set the value back to false to forbide the access to the clipboard)