cve/2021/CVE-2021-23433.md

### [CVE-2021-23433](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23433)
![](https://img.shields.io/static/v1?label=Product&message=algoliasearch-helper&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%203.6.2%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Prototype%20Pollution&color=brighgreen)

### 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.

### POC

#### Reference
- https://snyk.io/vuln/SNYK-JS-ALGOLIASEARCHHELPER-1570421

#### Github
No PoCs found on GitHub currently.