Description
fastest-json-copy version 1.0.1 allows an external attacker to edit or add new properties to an object. This is possible because the application does not correctly validate the incoming JSON keys, thus allowing the '__proto__' property to be edited.
Remediation
References
https://fluidattacks.com/advisories/guetta/
https://github.com/streamich/fastest-json-copy
Related Vulnerabilities
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CVE-2020-28277 Vulnerability in maven package org.webjars.npm:dset
CVE-2018-20834 Vulnerability in maven package org.webjars.npm:tar