Description
WordPress Plugin Category Specific RSS feed Subscription is prone to a cross-site request forgery vulnerability. Exploiting this issue may allow a remote attacker to perform certain administrative actions and gain unauthorized access to the affected application; other attacks are also possible. WordPress Plugin Category Specific RSS feed Subscription version 2.0 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 2.1 or latest
References
http://jvn.jp/en/jp/JVN92510087/index.html
https://plugins.svn.wordpress.org/category-specific-rss-feed-menu/trunk/readme.txt