From Help With Kumu Wiki
Wikis hosted on this server make use of a common spam list. You can find out more at http://kumu.brocku.ca/banned.php .
 Blocked Terms
If you are trying to post an otherwise valid message we'd like to know how we can help. You can identify the term or URL that is preventing you from making a post and alert us at http://kumu.brocku.ca/banned.php .
 Reverting edits
 Reverting to the last edit
To revert an edit click on the articles "History" tab and choose "rollback" on the most recent version.
 Revert to a specific edit
To revert an edit to a specific version click on the articles "History" tab and choose the version that is free of spam by clicking it's link/date, then press the "edit" tab and then save that edit (perhaps with a summary of "Reverted spam.....").
Here is an example of how to revert spam: