What’s Vulnerable › Vulnerabilities

CVE-2020-7641: Prototype Pollution

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-07-17 · updated 2026-06-17
• Weakness: CWE-1321

Description

This affects all versions of package grunt-util-property. The function call could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.

Affected products

• grunt-util-property: 0.0.1, 0.0.2

References

• https://github.com/mikaelkaron/grunt-util-property/blob/master/main.js%23L41
• https://security.snyk.io/vuln/SNYK-JS-GRUNTUTILPROPERTY-565088
• https://github.com/mikaelkaron/grunt-util-property/blob/master/main.js%23L41
• https://security.snyk.io/vuln/SNYK-JS-GRUNTUTILPROPERTY-565088

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