CVE-2025-57329
High
Description
web3-core-method is a package designed to creates the methods on the web3 modules. A Prototype Pollution vulnerability in the attachToObject function of web3-core-method 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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductWeb3js Web3-core-method
PublishedSep 24, 2025
First seenSep 24, 2025
Weakness typeCWE-1321Prototype pollution
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| web3js web3-core-method | v ≤ 1.10.4 | — |
| web3-core-methodnpm | v ≤ 1.10.3 | — |
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