Medium severity5.9OSV Advisory· Published Nov 19, 2021· Updated Jun 17, 2026
CVE-2021-23433
CVE-2021-23433
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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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
algoliasearch-helpernpm | < 3.6.2 | 3.6.2 |
Affected products
2- Range: 1.0.0, 2.0.1, 2.0.2, …
Patches
Vulnerability mechanics
References
5- github.com/algolia/algoliasearch-helper-js/commit/4ff542b70b92a6b81cce8b9255700b0bc0817eddnvdPatchThird Party AdvisoryWEB
- snyk.io/vuln/SNYK-JS-ALGOLIASEARCHHELPER-1570421nvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-vpf5-82c8-9v36ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-23433ghsaADVISORY
- github.com/algolia/algoliasearch-helper-js/blob/3.5.5/src/SearchParameters/index.js%23L291nvdBroken LinkWEB
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