CVE-2025-57330
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-24

Last updated on: 2025-10-17

Assigner: MITRE

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.
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Meta Information
Published
2025-09-24
Last Modified
2025-10-17
Generated
2026-06-16
AI Q&A
2025-09-24
EPSS Evaluated
2026-06-15
NVD
CVE-2025-57330
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
web3js web3-core-subscriptions to 1.10.4 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-1321 The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.
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Executive Summary

This vulnerability is a Prototype Pollution issue in the attachToObject function of the web3-core-subscriptions package (version 1.10.4 and earlier). It allows attackers to inject properties into Object.prototype by supplying a crafted payload, which can lead to unexpected behavior in the application.

Impact Analysis

The primary impact of this vulnerability is a denial of service (DoS), which means the application using the affected package could crash or become unresponsive due to the injected properties.

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