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WS-2023-0205
Good to know:
Date: June 22, 2023
The recent version of Brave iOS 15 introduced window.caches in WKWebView. It provides a persistent cache for web pages, and is also potentially usable for user tracking. The current Cookie Control disables cookie, localStorage and sessionStorage, but it doesn't disable window.caches, so it allows client-side user tracking by window.caches even when cookie brocker is enabled - which leads to privacy violation.
Language: JS
Severity Score
Severity Score
Weakness Type (CWE)
Exposure of Private Personal Information to an Unauthorized Actor
CWE-359Top Fix
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 |