CVE-2025-3193 - CVE House
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Status published High CVE-2025-3193

Versions of the package algoliasearch-helper from 2.0.0-rc1 and before 3.11.2...

Vulnerability Description

Versions 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Yuhan Gao
  • Peng Zhou

References

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Affected Vendor

Affected Software

algoliasearch-helper
Vulnerable Versions:
2.0.0-rc1

Timeline

Official Publish: September 27th, 2025
Last Modified: October 4th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-1321

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.