Prototype pollution in mootools
Priority MEDIUM 44CWE-1321Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
This affects all versions of package mootools. This is due to the ability to pass untrusted input to Object.merge()
Why it matters now
EPSS 0.00889 59th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | mootools | all versions | — | No fix listed | CNA |
| — | mootools (npm) | up to 1.5.2 | — | No fix listed | GHSA-x6hx-7gh3-3q98 |
- mootools Vendor— Affected all versions Fixed in — No fix listed CNA
- mootools (npm) Vendor— Affected up to 1.5.2 Fixed in — No fix listed GHSA-x6hx-7gh3-3q98
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mootools_project:mootools:*:*:*:*:*:node.js:*:* | all versions | Vulnerable | Mootools Project |
- cpe:2.3:a:mootools_project:mootools:*:*:*:*:*:node.js:*:* Versions all versions Vulnerable ·Mootools Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-23432
- 2026-10-03 Alias added: GHSA-x6hx-7gh3-3q98
References
Sources
- CVE-2021-23432 · CVE Program
- CVE-2021-23432 · NVD
- FIRST EPSS
- GHSA-x6hx-7gh3-3q98 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences