Description
WordPress Plugin Live Chat-Live support 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 Live Chat-Live support version 3.1.0 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 3.2.0 or latest
References
https://jvn.jp/en/jp/JVN92404841/index.html
https://plugins.svn.wordpress.org/onwebchat/trunk/readme.txt