Improper input validation in HackerOne Mixin-Deep Node Module
CVE-2018-3719
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: -0.000
Affected products
- HackerOne Mixin-Deep Node Module — versions Versions before 1.3.1
- Mixin-Deep Project
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/jonschlinkert/mixin-deep/commit/578b0bc5e74e14de9ef4975f504dc698796b… (Patch, Third Party Advisory)
- hackerone.com/reports/311236 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-3719?
- CVE-2018-3719 is a high-severity vulnerability in HackerOne Mixin-Deep Node Module, classified under Modification of Assumed-Immutable Data (MAID). CVSS score: 8.8/10. Published 2018-06-07.
- How severe is CVE-2018-3719?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-3719 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.