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WS-2022-0276

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Date: August 22, 2022

The default landing page contained HTML to display a sample curl command which is made visible if the full landing page bundle could not be fetched from Apollo's CDN. The server's URL is directly interpolated into this command inside the browser from window.location.href. On some older browsers such as IE11, this value is not URI-encoded. On such browsers, opening a malicious URL pointing at an Apollo Router could cause execution of attacker-controlled JavaScript.

Language: JS

Severity Score

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

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): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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