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WS-2019-0021

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Date: February 24, 2019

upmerge before 0.1.8 is vulnerable to Prototype pollution vulnerability that allows an attacker to inject properties on Object.prototype.

Language: JS

Severity Score

Severity Score

Weakness Type (CWE)

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

CWE-1321

Top Fix

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Upgrade Version

Upgrade to version 0.1.8

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): HIGH

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