Nyariv: >> Sandboxjs >> 0.8.27 Security Vulnerabilities
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.
CVSS Score
10.0
EPSS Score
0.006
Published
2026-02-06
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