Description
WordPress Plugin Authenticator is prone to a Denial of Service vulnerability. Exploiting this issue may allow an attacker to cause the affected website to deny users access to it's functionality in certain configurations. WordPress Plugin Authenticator version 1.3.0 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 1.3.1 or latest
References
https://wpscan.com/vulnerability/802a2139-ab48-4281-888f-225e6e3134aa
https://plugins.svn.wordpress.org/authenticator/trunk/readme.txt