What’s Vulnerable › Vulnerabilities

CVE-2021-23432: Prototype Pollution

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-24 · updated 2026-06-17

Description

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

Affected products

• mootools: all versions

References

• https://snyk.io/vuln/SNYK-JS-MOOTOOLS-1325536
• https://snyk.io/vuln/SNYK-JS-MOOTOOLS-1325536

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