CVE-2025-57330 — HIGH (7.5)

Q: How severe is CVE-2025-57330?

CVE-2025-57330 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-57330?

Check the references section above for vendor advisories and patch information. Affected products include: Web3Js Web3-Core-Subscriptions.

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Web3Js	Web3-Core-Subscriptions	< 1.10.4

Related Weaknesses (CWE)

CWE-1321

References

https://github.com/VulnSageAgent/PoCs/blob/main/JavaScript/prototype-pollution/wBroken Link
https://github.com/VulnSageAgent/PoCs/tree/main/JavaScript/prototype-pollution/CThird Party Advisory

FAQ

What is CVE-2025-57330?

CVE-2025-57330 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...

How severe is CVE-2025-57330?

CVE-2025-57330 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-57330?

Check the references section above for vendor advisories and patch information. Affected products include: Web3Js Web3-Core-Subscriptions.