Medium

Prototype Pollution in mootools

  • Disclosed: 02.09.2021
  • Updated: 11.10.2026 10:22

This affects all versions of package mootools. This is due to the ability to pass untrusted input to Object.merge()

Affected software

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PlatformPackageVulnerable versionsFixed in
npm package mootools <= 1.5.2 no fix

References

CVSS score 5.4/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Weakness (CWE)
CWE-1321
Platform
npm
Package
mootools
Disclosed
02.09.2021
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-x6hx-7gh3-3q98 - CC BY 4.0

Vulnerability history: mootools

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
09.2021 01.2023
Without a fix
2
Exploited in attacks
0

Severity breakdown

  • High 1
  • Medium 1

Disclosures per year

  1. 2021: 1
  2. 2022: 0
  3. 2023: 1
  4. 2024: 0
  5. 2025: 0
  6. 2026: 0
  1. High · 7.5 CVE-2021-32821 <= 1.5.2 no fix
  2. Prototype Pollution in mootools this entry
    Medium · 5.4 CVE-2021-23432 <= 1.5.2 no fix

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