PatchTheCVECVE-2021-23432: This affects all versions of package mootools
CVE-2021-23432 is a medium-severity flaw (CVSS 5.4) affecting mootools. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
This affects all versions of package mootools. This is due to the ability to pass untrusted input to Object.merge()
Why this priority
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.9% (top 41%) |
| CISA exploited list | No |
| Published | 2021-08-24 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-23432?
mootools: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2021-23432 being exploited?
CVE-2021-23432 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-23432 affect?
CVE-2021-23432 affects mootools. Severity is medium (CVSS 5.4). This affects all versions of package mootools. This is due to the ability to pass untrusted input to Object.merge()
How urgent is CVE-2021-23432?
Priority 39/100. Public exploit reference
Related CVEs
- CVE-2021-32821 MEDIUM 6.2 UPGRADE MooTools is a collection of JavaScript utilities for JavaScript developers