Drupal core – Highly critical – Remote Code Execution
Description: A remote code execution vulnerability exists within multiple subsystems of Drupal 7.x and 8.x. This potentially allows attackers to exploit multiple attack vectors on a Drupal site, which could result in the site being completely compromised.
Impact: A remote attacker could exploit this vulnerability to take control of an affected system.
Please see the references or vendor advisory for more information.