Updated dojo package fixes security vulnerabilities:
In affected versions of dojo, the deepCopy method is vulnerable to prototype Pollution. An attacker could manipulate these attributes to overwrite, or pollute, a JavaScript application object prototype of the base object by injecting other values (CVE-2020-5258).
The Dojox jQuery wrapper jqMix mixin method is vulnerable to Prototype Pollution. An attacker could manipulate these attributes to overwrite, or pollute, a JavaScript application object prototype of the base object by injecting other values (CVE-2020-5259).