Drupal Core is prone to a session fixation vulnerability. An attacker may leverage this issue to hijack an arbitrary session and gain access to sensitive information, which may help in launching further attacks. Drupal Core versions 5.x ranging from 5.0 and up to and including 5.19 are vulnerable.
Update to Drupal Core version 5.20 or latest
WordPress Plugin Patreon WordPress PHP Object Injection (1.2.1)
Jetpack 2.9.3: Critical Security Update
WordPress Plugin Advanced User Registration and Management Cross-Site Scripting (2.3.5)
WordPress Plugin All-In-One Security (AIOS)-Security and Firewall Cross-Site Scripting (3.9.7)
WordPress Plugin Event Registration 'id' Parameter SQL Injection (5.43)