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
Related Vulnerabilities
CVE-2019-17359 Vulnerability in maven package org.bouncycastle:bcprov-ext-jdk15on
CVE-2022-47105 Vulnerability in maven package org.jeecgframework.boot:jeecg-module-system
CVE-2020-1925 Vulnerability in maven package org.apache.olingo:odata-client-core