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// vulnerability record
cached · NVD via COSMOS syncCVE-2026-25587
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, as Map is in SAFE_PROTOYPES, it's prototype can be obtained via Map.prototype. By overwriting Map.prototype.has the sandbox can be escaped. This vulnerability is fixed in 0.8.29.
// weaknesses (CWE)
- CWE-94