Description
WordPress Plugin Contest Gallery-Photo Contest for WordPress 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 Contest Gallery-Photo Contest for WordPress version 10.4.1.1 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 10.4.5 or latest
References
http://jvn.jp/en/jp/JVN80925867/index.html
https://plugins.svn.wordpress.org/contest-gallery/trunk/readme.txt