A prototype pollution in the lib.setValue function of @syncfusion/ej2-spreadsheet v27.2.2 allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload. NOTE: the Supplier disputes this because they found that the lib.setValue function is not utilized.
The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.