WordPress is prone to a Denial of Service vulnerability which can be exploited by malicious people to cause the affected website to consume memory and CPU resources, thus denying service to legitimate users. WordPress versions 3.7.x ranging from 3.7 and up to (and including) 3.7.25 are vulnerable.
Evaluate and apply the suggested patch
WordPress Plugin Ninja Forms Contact Form-The Drag and Drop Form Builder for WordPress Cross-Site Request Forgery (2.7.7)
WordPress Plugin BibleGet I/O Unspecified Vulnerability (3.4)
WordPress Plugin Gallery-Flagallery Photo Portfolio Multiple Vulnerabilities (2.00)
WordPress Plugin Pym.js Embeds Cross-Site Scripting (1.3.2)