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.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| web3-core-subscriptions(npm) | 0 | N/A | N/A |
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