Description
WordPress Plugin WPS Hide Login is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently get the secret login page by setting a random referer string via curl request. WordPress Plugin WPS Hide Login version 1.9 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 1.9.1 or latest
References
https://wordpress.org/support/topic/bypass-security-issue/
https://plugins.svn.wordpress.org/wps-hide-login/trunk/readme.txt
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