Prototype Pollution
All versions of `utils-extend` are vulnerable to prototype pollution. The `extend` function does not restrict the modification of an Object's prototype, which may allow an attacker to add or modify an existing property that will exist on all objects. ## Recommendation No fix is currently available. Consider using an alternative package until a fix is made available.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2020-8147US | critical9.8 | — | ||
Flaw in input validation in npm package utils-extend version 1.0.8 and earlier may allow prototype pollution attack that may result in remote code execution or denial of service of… | ||||
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references
External citations — patches, advisories, analysis.
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