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.

INFO

Published Date :

2025-09-24T00:00:00.000Z

Last Modified :

2025-09-29T17:56:26.800Z

Source :

mitre
AFFECTED PRODUCTS

The following products are affected by CVE-2025-57330 vulnerability.

Vendors Products
Web3js
  • Web3-core-subscriptions
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-57330.

URL Resource
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
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact