Description
WordPress Plugin iThemes Security (formerly Better WP Security) is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently leak the hidden login page. WordPress Plugin iThemes Security (formerly Better WP Security) version 7.9.0 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 7.9.1 or latest
References
https://secupress.me/blog/ithemes-security-7-9-1-hide-backend-bypass/
https://plugins.svn.wordpress.org/better-wp-security/trunk/readme.txt