Description
class-transformer before 0.3.1 allow attackers to perform Prototype Pollution. The classToPlainFromExist function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.
Remediation
References
https://github.com/typestack/class-transformer/commit/8f04eb9db02de708f1a20f6f2d2bb309b2fed01e
https://snyk.io/vuln/SNYK-JS-CLASSTRANSFORMER-564431
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CVE-2018-8039 Vulnerability in maven package org.apache.cxf:cxf-rt-transports-http
CVE-2021-21290 Vulnerability in maven package io.netty:netty-testsuite