In order to beef up our security we have added a white list of sites that are can be embed via the wiki-embed plugin.
The current list of sites is the following:
https://wiki.ubc.ca
https://wiki.ubc.ca
http://en.wikipedia.org
http://www.mediawiki.org/wiki
http://www.wikidata.org/wiki
http://en.wikiquote.org/wiki
http://en.wikiversity.org/wiki
http://meta.wikimedia.org/wiki
http://en.wikinews.org/wiki
http://en.wikisource.org/wiki
http://en.wikivoyage.org/wiki
http://en.wikibooks.org/wiki
http://en.wikipedia.org/wiki
http://species.wikimedia.org/wiki
http://en.wiktionary.org/wiki
https://en.wikipedia.org
https://www.mediawiki.org/wiki
https://www.wikidata.org/wiki
https://en.wikiquote.org/wiki
https://en.wikiversity.org/wiki
https://meta.wikimedia.org/wiki
https://en.wikinews.org/wiki
https://en.wikisource.org/wiki
https://en.wikivoyage.org/wiki
https://en.wikibooks.org/wiki
https://en.wikipedia.org/wiki
https://species.wikimedia.org/wiki
https://en.wiktionary.org/wiki
http://hlwiki.slais.ubc.ca
https://hlwiki.slais.ubc.ca
http://wikieducator.org
https://wikieducator.org
If you would like to add a new site to this list feel free to live a get in touch with us.
Please note that you will be able to add any site to your own white list of sites right away by adding the site. The settings can be found on the Wiki Embed Settings Page.