Description
WordPress Plugin Ninja Forms Contact Form-The Drag and Drop Form Builder for WordPress is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently preview un-published forms by injecting arbitrary shortcodes. WordPress Plugin Ninja Forms Contact Form-The Drag and Drop Form Builder for WordPress version 3.0.30 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 3.0.31 or latest