Description
defaults-deep node module before 0.2.4 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
Patch, Third Party Advisory x_refsource_misc
https://github.com/jonschlinkert/defaults-deep/commit/c873f341327ad885ff4d0f23b3d3bca31b0343e5
Exploit, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/310514
Scores
CVSS v3
8.8
EPSS
0.0043
EPSS Percentile
62.6%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-20
CWE-471
Status
published
Products (2)
defaults-deep_project/defaults-deep
< 0.2.4
npm/defaults-deep
0 - 0.2.4npm
Published
Jun 07, 2018
Tracked Since
Feb 18, 2026