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CRITICAL · 9.8

CVE-2021-26505

Prototype pollution vulnerability in MrSwitch hello.js version 1.18.6, allows remote attackers to execute arbitrary code via hello.utils.extend function.

Vulnerability Description

Prototype pollution vulnerability in MrSwitch hello.js version 1.18.6, allows remote attackers to execute arbitrary code via hello.utils.extend function.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Hello.Js ProjectHello.Js1.18.6

Related Weaknesses (CWE)

CWE-1321

References

FAQ

What is CVE-2021-26505?

CVE-2021-26505 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Prototype pollution vulnerability in MrSwitch hello.js version 1.18.6, allows remote attackers to execute arbitrary code via hello.utils.extend function.

How severe is CVE-2021-26505?

CVE-2021-26505 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-26505?

Check the references section above for vendor advisories and patch information. Affected products include: Hello.Js Project Hello.Js.