Description
WordPress Plugin WordPress Email Template Designer-WP HTML Mail 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 WordPress Email Template Designer-WP HTML Mail version 3.0.6 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 3.0.8 or latest
References
https://jvn.jp/en/jp/JVN42880365/index.html
https://plugins.svn.wordpress.org/wp-html-mail/trunk/readme.txt
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