CVE-2025-3193

Summary

CVECVE-2025-3193
StatePUBLISHED
Assignersnyk
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-09-27 05:15:30 UTC
Updated2026-10-19 16:10:00 UTC
DescriptionVersions of the package algoliasearch-helper from 2.0.0-rc1 and before 3.11.2 are vulnerable to Prototype Pollution in the _merge() function in merge.js, which allows constructor.prototype to be written even though doing so throws an error. In the "extreme edge-case" that the resulting error is caught, code injected into the user-supplied search parameter may be exeucted. This is related to but distinct from the issue reported in [CVE-2021-23433](https://security.snyk.io/vuln/SNYK-JS-ALGOLIASEARCHHELPER-1570421). **NOTE:** This vulnerability is not exploitable in the default configuration of InstantSearch since searchParameters are not modifiable by users.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-1321 | CWE-1321 Prototype Pollution | CWE-1321 CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')


VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Algolia Algoliasearch-helper All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Algoliasearch-helper affected 2.0.0-rc1 3.11.2 semver Not specified

References

ReferenceSourceLinkTags
github.com/algolia/algoliasearch-helper-js/commit/776dff23c87b0902e554e0... [email protected] github.com Patch
github.com/algolia/algoliasearch-helper-js/issues/922 [email protected] github.com Exploit, Issue Tracking, Patch
security.snyk.io/vuln/SNYK-JS-ALGOLIASEARCHHELPER-3318396 [email protected] security.snyk.io Exploit, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Yuhan Gao (en)

CNA: Peng Zhou (en)

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