Executive Summary

Informations
Name CVE-2025-34146 First vendor Publication 2025-07-31
Vendor Cve Last vendor Modification 2025-07-31

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
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Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

A prototype pollution vulnerability exists in @nyariv/sandboxjs versions <= 0.8.23, allowing attackers to inject arbitrary properties into Object.prototype via crafted JavaScript code. This can result in a denial-of-service (DoS) condition or, under certain conditions, escape the sandboxed environment intended to restrict code execution. The vulnerability stems from insufficient prototype access checks in the sandbox’s executor logic, particularly in the handling of JavaScript function objects returned.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-34146

Sources (Detail)

https://gist.github.com/Hagrid29/9df27829a491080f923c4f6b8518d7e3
https://github.com/nyariv/SandboxJS/issues/31
https://www.npmjs.com/package/@nyariv/sandboxjs
https://www.vulncheck.com/advisories/nyariv-sandboxjs-prototype-pollution-san...
Source Url

Alert History

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Date Informations
2025-08-02 02:36:26
  • Multiple Updates
2025-08-02 02:35:27
  • Multiple Updates
2025-08-01 13:41:04
  • Multiple Updates
2025-08-01 13:40:01
  • Multiple Updates
2025-08-01 13:20:41
  • Multiple Updates
2025-07-31 21:20:35
  • First insertion