CVE-2025-57330

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, causi...

CVE-2025-57330: Improperly Controlled Modification of Object Prototype Attributes

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, causi...

Web3.js security vulnerabilities

Web3.js is a TypeScript implementation of the Ethernet JSON RPC API open-sourced by Web3 and related tools maintained by ChainSafe Systems. A security vulnerability exists in Web3.js versions 1.10.4 and earlier, which stems from prototype contamination in the attachToObject function and could lea...

CVE-2025-57330

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, causi...

CVE-2025-57329

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...

CVE-2025-57330

The web3-core-subscriptions package (versions >=1.0.0 and

PT-2025-39328

Name of the Vulnerable Software and Affected Versions web3-core-method versions 1.10.4 and earlier Description A Prototype Pollution issue exists in the attachToObject function of web3-core-method. Attackers can inject properties onto Object.prototype by providing a crafted payload. This can lead...

Web3.js security vulnerabilities

Web3.js is a TypeScript implementation of the Ethernet JSON RPC API open-sourced by Web3 and related tools maintained by ChainSafe Systems. A security vulnerability exists in Web3.js versions 1.10.4 and earlier, which stems from prototype contamination in the attachToObject function and could lea...