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WS-2019-0266

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Date: July 27, 2019

In Mithril, versions prior to 2.0.2 are vulnerable to prototype pollution. The function parseQueryString() may allow a malicious user to modify the prototype of Object, causing the addition or modification of an existing property that will exist on all objects.

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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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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