CVE-2018-3719

HIGH

mixin-deep <1.3.1 - Use After Free

Title source: llm
STIX 2.1

Description

mixin-deep node module before 1.3.1 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/311236

Scores

CVSS v3 8.8
EPSS 0.0054
EPSS Percentile 67.8%
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-20 CWE-471
Status published
Products (2)
mixin-deep_project/mixin-deep < 1.3.1
npm/mixin-deep 0 - 1.3.1npm
Published Jun 07, 2018
Tracked Since Feb 18, 2026