What’s Vulnerable › Vulnerabilities

CVE-2020-7713: Prototype Pollution

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-09-01 · updated 2026-06-17
• Weakness: CWE-1321

Description

All versions of package arr-flatten-unflatten are vulnerable to Prototype Pollution via the constructor.

Affected products

• arr-flatten-unflatten: all versions

References

• https://snyk.io/vuln/SNYK-JS-ARRFLATTENUNFLATTEN-598396
• https://snyk.io/vuln/SNYK-JS-ARRFLATTENUNFLATTEN-598396

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