WordPress Plugin Coming soon and Maintenance mode is prone to an unspecified vulnerability. No available information exists regarding this issue and it's impact on a vulnerable website. WordPress Plugin Coming soon and Maintenance mode version 3.5.4 is vulnerable; prior versions may also be affected.
Update to plugin version 3.5.5 or latest
Joomla! Core 3.9.x Cross-Site Scripting (3.9.0 - 3.9.23)
WordPress Plugin Fudousan Cross-Site Scripting (5.7.0)
Drupal Core 8.7.x Security Bypass (8.7.0 - 8.7.10)
WordPress Plugin Import and export users and customers Security Bypass (1.15)
WordPress Plugin Advanced Booking Calendar Cross-Site Scripting (1.6.6)