CVE-2021-23497: Prototype Pollution in @strikeentco/set

@strikeentco/set Updated 02 Oct 2025

Summary

05/02/2022
Yes i
High
7.5

CVE-2021-23497: Prototype Pollution in @strikeentco/set. Affects @strikeentco/set versions < 1.0.2. Fixed in 1.0.2. How to fix ↓

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Background

The package @strikeentco/set is an npm package that provides a set data structure implementation. It is used to store a collection of unique values and perform set operations such as union, intersection, and difference. The package is widely used in JavaScript applications for managing sets of data. However, versions before 1.0.2 are vulnerable to prototype pollution.

Vulnerability Detail

The vulnerability in @strikeentco/set before 1.0.2 is due to an incomplete fix. It allows an attacker to perform prototype pollution, which can lead to a denial of service and potentially remote code execution. Prototype pollution is a vulnerability that occurs when an attacker can modify the prototype of an object and introduce malicious properties or methods. In this case, an attacker can manipulate the set data structure and potentially execute arbitrary code on the target system.

How To Fix

Latest published version: 1.0.2 as of 23 Oct 2026

npm install @strikeentco/set@1.0.2

The newest release already contains this fix.

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Workaround

There is no known workaround for this vulnerability. It is crucial to update to the fixed version of the package to mitigate the risk of exploitation.

Conclusion

The vulnerability in @strikeentco/set before version 1.0.2 allows for prototype pollution, which can result in a denial of service and potential remote code execution. To mitigate this risk, it is crucial to update the package to version 1.0.2 or later. For further support on vulnerability remediation, please contact DevNack.com.

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FAQ

Prototype pollution is a vulnerability that occurs when an attacker can modify the prototype of an object and introduce malicious properties or methods. It can lead to various security issues, including remote code execution.

The vulnerability in @strikeentco/set allows an attacker to perform prototype pollution, potentially leading to a denial of service and remote code execution.

Yes, the vulnerability can be fixed by updating the @strikeentco/set package to version 1.0.2 or later.

No, there are no known workarounds for this vulnerability. It is essential to update to the fixed version of the package.

Related vulnerabilities

Recent vulnerabilities recorded for @strikeentco/set.

How To Fix

Latest published version: 1.0.2 as of 23 Oct 2026

npm install @strikeentco/set@1.0.2

The newest release already contains this fix.

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

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