Description
WordPress Plugin 404page-your smart custom 404 error page is prone to a cross-site request forgery vulnerability. Exploiting this issue may allow a remote attacker to perform certain administrative actions and gain unauthorized access to the affected application; other attacks are also possible. WordPress Plugin 404page-your smart custom 404 error page version 10.3 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 10.5 or latest
References
Related Vulnerabilities
WordPress Plugin The Events Calendar Cross-Site Scripting (4.8.1)
WordPress Plugin Gravity Forms Constant Contact Cross-Site Scripting (1.0.5)
WordPress Plugin The Welcomizer 'twiz-index.php' Cross-Site Scripting (1.3.9.4)
WordPress Plugin Doctor Appointment Booking Multiple Vulnerabilities (1.0.0)
WordPress Plugin Platinum SEO Pack Cross-Site Scripting (1.3.7)