CVE-2021-23433
CRITICAL9.8EPSS 0.24%Prototype Pollution in algoliasearch-helper
Published: 11/23/2021Modified: 3/13/2026
Also known as:GHSA-vpf5-82c8-9v36
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.
Affected packages (1)
- npm/algoliasearch-helperfrom 0, < 3.6.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-23433
- PATCHhttps://github.com/algolia/algoliasearch-helper-js
- WEBhttps://github.com/algolia/algoliasearch-helper-js/blob/3.5.5/src/SearchParameters/index.js%23L291
- WEBhttps://github.com/algolia/algoliasearch-helper-js/commit/4ff542b70b92a6b81cce8b9255700b0bc0817edd
- WEBhttps://snyk.io/vuln/SNYK-JS-ALGOLIASEARCHHELPER-1570421