GHSA-vpf5-82c8-9v36

Prototype Pollution in algoliasearch-helper

Source: GitHub Advisory Database (reviewed) Critical CVE-2021-23433

Packages

Ecosystem	Package	Affected	Fixed in
npm	algoliasearch-helper	< 3.6.2	3.6.2

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2021-23433 advisory
https://github.com/algolia/algoliasearch-helper-js/commit/4ff542b70b92a6b81cce8b9255700b0bc0817edd web
https://github.com/algolia/algoliasearch-helper-js package
https://github.com/algolia/algoliasearch-helper-js/blob/3.5.5/src/SearchParameters/index.js%23L291 web
https://snyk.io/vuln/SNYK-JS-ALGOLIASEARCHHELPER-1570421 web