Update the WordPress Login/Signup Popup plugin to the latest available version (at least 2.3).
Chloe Chamberland (Wordfence) discovered and reported this Cross Site Request Forgery (CSRF) vulnerability in WordPress Login/Signup Popup Plugin. This could allow a malicious actor to force higher privileged users to execute unwanted actions under their current authentication. This vulnerability has been fixed in version 2.3.
Reflected CrossSite Scripting (XSS) vulnerability
17.11.2021
Authenticated Stored CrossSite Scripting (XSS) vulnerability
14.05.2020