high7.5
CVE-2025-57330
web3-core-subscriptions has a Prototype Pollution vulnerability
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | web3-core-subscriptions | <= 2.0.0-alpha.1 | none recorded |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Web3js | Web3-Core-Subscriptions | before 1.10.4 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/VulnSageAgent/PoCs/blob/main/JavaScript/prototype-pollution/web3-core-subscriptions%401.10.4/index.js
- https://github.com/VulnSageAgent/PoCs/tree/main/JavaScript/prototype-pollution/CVE-2025-57330
- https://github.com/advisories/GHSA-hhf6-3xpg-pggx
- https://nvd.nist.gov/vuln/detail/CVE-2025-57330
- https://github.com/web3/web3.js/commit/d9660426c12210c5071aeb4e1a647c6ea9d67b12