Description
WordPress Plugin WP Spell Check 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 WP Spell Check version 7.1.9 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 7.1.10 or latest
References
http://jvn.jp/en/jp/JVN26838191/index.html
https://plugins.svn.wordpress.org/wp-spell-check/trunk/readme.txt
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