Description

undefsafe before 2.0.3 is vulnerable to Prototype Pollution. The 'a' function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.

Remediation

References

https://snyk.io/vuln/SNYK-JS-UNDEFSAFE-548940

https://github.com/remy/undefsafe/commit/f272681b3a50e2c4cbb6a8533795e1453382c822

Related Vulnerabilities

CVE-2018-16487 Vulnerability in npm package lodash.mergewith

CVE-2014-6394 Vulnerability in maven package org.webjars.npm:send

CVE-2019-5437 Vulnerability in npm package harp

CVE-2023-30522 Vulnerability in maven package org.jenkins-ci.plugins:fogbugz

CVE-2023-23630 Vulnerability in npm package eta

Severity

High

Classification

CWE-74 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Tags

Exploit Third Party Advisory Patch