The host is installed with dojo before 1.11.10, 1.12.x before 1.12.8, 1.13.x before 1.13.7, 1.14.x before 1.14.6, 1.15.x before 1.15.3 or 1.16.x before 1.16.2 and is prone to a prototype pollution vulnerability. A flaw is present in the application, which fails to properly handle issues in deepCopy method. Successful exploitation could allow attackers to manipulate the attributes to overwrite, or pollute, a JavaScript application object prototype of the base object by injecting other values.