Security Advisory

CVE-2026-25520

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-02-06 19:53:24

Last updated 2026-02-06 20:18:08

Assigner GitHub_M

CVSS score 10.0

State PUBLISHED

Description

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, The return values of functions aren't wrapped. Object.values/Object.entries can be used to get an Array containing the host's Function constructor, by using Array.prototype.at you can obtain the hosts Function constructor, which can be used to execute arbitrary code outside of the sandbox. This vulnerability is fixed in 0.8.29.

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