CVE-2025-57329
CVE-2025-57329 is a high-severity vulnerability in Web3js Web3-core-method with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1321.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (29th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-31063
- Weakness: CWE-1321
- Affected product: Web3js Web3-core-method
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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 denial of service (DoS) as the minimum consequence.
- How severe is CVE-2025-57329?
- CVE-2025-57329 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2025-57329 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-57329?
- CVE-2025-57329 affects Web3js Web3-core-method. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-57329?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-57329 have an EU (EUVD) identifier?
- Yes. CVE-2025-57329 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31063.
- When was CVE-2025-57329 published?
- CVE-2025-57329 was published on 2025-09-24 and last updated on 2026-06-17.
References
- https://github.com/VulnSageAgent/PoCs/blob/main/JavaScript/prototype-pollution/web3-core-method%401.10.4/index.js
- https://github.com/VulnSageAgent/PoCs/tree/main/JavaScript/prototype-pollution/CVE-2025-57329
Affected products (1)
- cpe:2.3:a:web3js:web3-core-method:*:*:*:*:*:node.js:*:*
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