Description
WordPress Plugin Redirection 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 Redirection version 3.6.2 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 3.6.3 or latest
References
https://www.ripstech.com/php-security-calendar-2018/#day-5
https://plugins.svn.wordpress.org/redirection/trunk/readme.txt