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 4.8.x ranging from 4.8 and up to (and including) 4.8.5 are vulnerable.
Evaluate and apply the suggested patch
WordPress Plugin Slideshow Gallery LITE Multiple Cross-Site Scripting Vulnerabilities (1.6.5)
WordPress Plugin Tweet Wheel Spam (0.3)
WordPress Plugin SearchAutocomplete 'tags.php' SQL Injection (1.0.8)
Joomla! Core Multiple Cross-Site Scripting Vulnerabilities (1.5.0 - 3.8.7)
WordPress Plugin WP Activity Log Cross-Site Request Forgery (220.127.116.11)