What’s Vulnerable › Vulnerabilities

CVE-2021-25943

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-05-14 · updated 2026-06-17
• Weakness: CWE-1321

Description

Prototype pollution vulnerability in '101' versions 1.0.0 through 1.6.3 allows an attacker to cause a denial of service and may lead to remote code execution.

Affected products

• 101: from 1.0.0 through 1.6.3

References

• https://github.com/tjmehta/101/blob/d87f63ce2a4cbdc476e8287abd78327c3144d646/set.js#L52
• https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25943
• https://github.com/tjmehta/101/blob/d87f63ce2a4cbdc476e8287abd78327c3144d646/set.js#L52
• https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25943

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