How severe is CVE-2021-23433?

This vulnerability has a severity rating of CRITICAL with a CVSS score of 9.8 out of 10.

What type of vulnerability is CVE-2021-23433?

This is classified as CWE-1321, which is a common weakness in software security.

CVE-2021-23433 - CRITICAL Severity | CVSS 9.8

Vulnerability Description

The package algoliasearch-helper before 3.6.2 are vulnerable to Prototype Pollution due to use of the merge function in src/SearchParameters/index.jsSearchParameters._parseNumbers without any protection against prototype properties. Note that this vulnerability is only exploitable if the implementation allows users to define arbitrary search patterns.

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