The web3-core-subscriptions is a package designed to manages web3 subscriptions. A Prototype Pollution vulnerability in the attachToObject function of web3-core-subscriptions version 1.10.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00018.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/VulnSageAgent/PoCs/blob/main/JavaScript/prototype-pollution/web3-core-subscriptions%401.10.4/index.js cve-icon cve-icon
https://github.com/VulnSageAgent/PoCs/tree/main/JavaScript/prototype-pollution/CVE-2025-57330 cve-icon cve-icon
History

Wed, 24 Sep 2025 19:15:00 +0000

Type Values Removed Values Added
Description The web3-core-subscriptions is a package designed to manages web3 subscriptions. A Prototype Pollution vulnerability in the attachToObject function of web3-core-subscriptions version 1.10.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.
References
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-09-24T19:05:06.873Z

Reserved: 2025-08-17T00:00:00.000Z

Link: CVE-2025-57330

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-09-24T19:15:39.850

Modified: 2025-09-26T14:32:53.583

Link: CVE-2025-57330

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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