CVE-2025-57330

HIGH

web3-core-subscriptions < 1.10.4 - Prototype Pollution via attachToObject Function

Title source: llm
STIX 2.1

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 (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0036
EPSS Percentile 27.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-1321
Status published
Products (2)
npm/web3-core-subscriptions 0npm
web3js/web3-core-subscriptions < 1.10.4
Published Sep 24, 2025
Tracked Since Feb 18, 2026