CVE-2021-28860: Prototype Pollution in mixme
Summary
CVE-2021-28860: Prototype Pollution in mixme. Affects mixme versions < 0.5.1. Fixed in 0.5.1. How to fix ↓
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Background
mixme is an npm package for manipulating JavaScript objects. It provides functions like mutate() and merge() to add or alter properties of an object. However, mixme version 0.5.0 is vulnerable to prototype pollution attacks. By using the 'proto' property, an attacker can modify the prototype of an object, leading to potential denial of service (DoS) attacks.
Vulnerability Detail
The vulnerability in mixme version 0.5.0 allows an attacker to pollute the prototype of objects using the 'proto' property. This pollution affects every object in the program, potentially leading to a DoS attack. The polluted attribute can be directly assigned to all objects, compromising the availability of the program.
How To Fix
Latest published version: 2.0.2 as of 22 Oct 2026
npm install mixme@2.0.2Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
0.5.1
This is the first release that contains the fix.
npm install mixme@0.5.1Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is essential to update to the fixed version of mixme to mitigate the risk of a DoS attack.
Conclusion
mixme version 0.5.0 is vulnerable to prototype pollution, which can lead to a denial of service attack. It is crucial to update to mixme version 0.5.1 or later to mitigate this vulnerability. For further support on vulnerability remediation, contact DevNack.com.
See every vulnerability recorded for mixme →
FAQ
mixme is an npm package used for manipulating JavaScript objects.
Prototype pollution is a vulnerability that allows an attacker to modify the prototype of an object, leading to unexpected behavior and potential security issues.
The vulnerability in mixme can result in a denial of service (DoS) attack, compromising the availability of the program.
To fix this vulnerability, update mixme to version 0.5.1 or later.
No, there is no known workaround. Updating to the fixed version is the recommended solution.
References
Related vulnerabilities
Recent vulnerabilities recorded for mixme.
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