What’s Vulnerable › Vulnerabilities

CVE-2020-7679: Prototype Pollution

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-06-19 · updated 2026-06-17
• Weakness: CWE-1321

Description

In all versions of package casperjs, the mergeObjects utility function is susceptible to Prototype Pollution.

Affected products

• casperjs: all versions

References

• https://github.com/casperjs/casperjs/blob/master/modules/utils.js%23L680
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-572804
• https://snyk.io/vuln/SNYK-JS-CASPERJS-572803
• https://github.com/casperjs/casperjs/blob/master/modules/utils.js%23L680
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-572804
• https://snyk.io/vuln/SNYK-JS-CASPERJS-572803

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