CVE-2018-3719
Prototype Pollution in mixin-deep
8.8
HIGH
CVSS 3.1
EPSS 0.54%
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.
How to fix CVE-2018-3719
To remediate CVE-2018-3719, upgrade the affected package to a fixed version below.
- —upgrade to 1.1.3-2 or later
- —upgrade to 1.3.1 or later
Is CVE-2018-3719 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.1.3-2
- from 0, < 1.3.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |