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MSC-2024-8250

Date: July 4, 2024

A malicious Polyfill reference has been identified in this package. The issue is located in the file "package\intersection-observer-test.html". To address this security concern, we recommend taking one of two actions: either remove the affected file completely or replace the suspicious reference with a trusted alternative. Reliable Polyfill sources include Cloudflare (https://cdnjs.cloudflare.com/polyfill) and Fastly (https://community.fastly.com/t/new-options-for-polyfill-io-users/2540).

Language: JS

Severity Score

Severity Score

Weakness Type (CWE)

Trojan Horse

CWE-507

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): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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