All intelligence
// vulnerability record
cached · NVD via COSMOS syncCVE-2026-25520
CRITICALpublished 2026-02-06 20:16 UTC · 6 months ago · modified 2026-06-17 10:24 UTC
10.0
CVSS / 10
// 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.
// weaknesses (CWE)
- CWE-74