However, there are cases in which you can edit user pages, listed below. * Removal of obscene or cruel content * Removal of personal attacks against another user * You are given permission to edit the page by the author * To revert vandalism Sometimes IP edits to a user page are actually done by the user page's owner who did not log in when making the edit. A seemingly legitimate edit made by an IP that may be the user page's owner should not be undone, unless it appears that the IP is not the page's owner.