CVE-2018-3720

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

assign-deep node module before 0.4.7 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-471

Affected software

Vendor	Product	Versions
HackerOne	assign-deep node module	Versions before 0.4.7

References

https://github.com/jonschlinkert/assign-deep/commit/19953a8c089b0328c470acaaaf6accdfcb34da11Patch, Third Party Advisory
https://hackerone.com/reports/310707Exploit, Third Party Advisory
https://github.com/jonschlinkert/assign-deep/commit/19953a8c089b0328c470acaaaf6accdfcb34da11Patch, Third Party Advisory
https://hackerone.com/reports/310707Exploit, Third Party Advisory

Timeline

Published: Jun 7, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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