Critical

Prototype Pollution in multi-ini

  • Disclosed: 13.04.2021
  • Updated: 11.10.2026 10:22

This affects the package multi-ini before 2.1.1. It is possible to pollute an object's prototype by specifying the proto object as part of an array.

Affected software

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PlatformPackageVulnerable versionsFixed in
npm package multi-ini < 2.1.1 2.1.1

References

CVSS score 9.8/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-1321
Platform
npm
Package
multi-ini
Disclosed
13.04.2021
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-g78f-549w-c354 - CC BY 4.0

Vulnerability history: multi-ini

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
2
First → latest
04.2021 04.2021
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • Medium 1

Disclosures per year

  1. 2021: 2
  2. 2022: 0
  3. 2023: 0
  4. 2024: 0
  5. 2025: 0
  6. 2026: 0
  1. Prototype Pollution in multi-ini this entry
    Critical · 9.8 CVE-2020-28448 < 2.1.1 2.1.1
  2. Medium · 5.6 CVE-2020-28460 < 2.1.2 2.1.2

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