WordPressにISISから攻撃を受ける脆弱性？

下記の記事が出ている。

　FBI warns WordPress users of ISIS threat: Patch and update now
　Naked Security: April 8,2015
　https://nakedsecurity.sophos.com/2015/04/08/fbi-warns-wordpress-users-of-isis-threat-patch-and-update-now/

　ISIS sympathizers exploiting WordPress plugins to hack websites, FBI warns
　PC World: April 8, 2015
　http://www.pcworld.com/article/2907312/fbi-says-supposed-isis-sympathizers-exploiting-wordpress-plugins.html

　FBI in ISIS WordPress Warning
　infoSecurity: 8 April, 2015
　http://www.infosecurity-magazine.com/news/fbi-in-isis-wordpress-warning/