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CVE-2018-3719

27
FAUCET Score

CVE-2018-3719 is a Modification of Assumed-Immutable Data (MAID) vulnerability in the mixin-deep node module prior to version 1.3.1, allowing attackers to manipulate the Object prototype. With a CVSS score of 8.8 (HIGH), this network-exploitable flaw requires low privileges but can lead to high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.3.1CPE matchmatch criteria
cpe:2.3:a:mixin-deep_project:mixin-deep:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.12%
Probability of exploitation in next 30 days
EPSS Percentile
79.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0212 is in the 78th percentile among its peer group of 17,808 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: mixin-deepFixed in: 1.3.1

Vendor Advisories (2)

npmGHSA-3mpr-hq3p-49h9high

Prototype Pollution in mixin-deep

Jul 26, 2018
redhatCVE-2018-3719Low

nodejs-mixin-deep: Prototype pollution via merging functions

Apr 25, 2018

References

github.com / jonschlinkert/mixin-deep/commit/578b0bc5e74e14de9ef4975f504dc698796bdf9c
PatchThird Party Advisory
hackerone.com / reports/311236
ExploitThird Party Advisory