Prototype Pollution Vulnerability in Just-Extend by Just-Extend
CVE-2018-16489

9.8CRITICAL

Key Information:

Vendor

Hackerone

Status
Just-extend
Vendor
CVE Published:
1 February 2019

What is CVE-2018-16489?

A prototype pollution vulnerability exists in the Just-Extend library versions prior to 4.0.0. This flaw enables attackers to manipulate the Object.prototype by injecting properties through various functions. Such manipulation can lead to unexpected behavior in applications utilizing the library, making it crucial for developers to upgrade to a patched version to mitigate potential security risks.

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Affected Version(s)

just-extend <4.0.0

References

https://hackerone.com/reports/430291
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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