AIKIDO-2025-10177
copy-anything is vulnerable to Prototype Pollution
45
Medium Risk
This Affects:
copy-anythingTL;DR
Affected versions of this package are vulnerable to prototype pollution, allowing an attacker to inject properties such as isAdmin into an object's prototype when copying an object containing a __proto__ property using the copy function of the copy-anything library. This can lead to unauthorized access, privilege escalation, and unpredictable application behavior due to bypassed permission checks.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
copy-anything is vulnerable to Prototype Pollution in versions 1.0.0 - 4.0.3.
How to fix this
Upgrade the copy-anything library to the patch version.
Are You Affected?
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