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.
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/310707
Patch, Third Party Advisory x_refsource_misc
https://github.com/jonschlinkert/assign-deep/commit/19953a8c089b0328c470acaaaf6accdfcb34da11
Scores
CVSS v3
8.8
EPSS
0.0043
EPSS Percentile
62.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-471
Status
published
Products (2)
assign-deep_project/assign-deep
< 0.4.7
npm/assign-deep
0 - 0.4.7npm
Published
Jun 07, 2018
Tracked Since
Feb 18, 2026