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WS-2023-0185

Date: June 22, 2023

New XSS vector in brave-ios in ReaderMode with %READER-TITLE-NONCE%: A relaxation of a CSP rule can be exploited for XSS attacks on ReaderMode pages. As a result, any cross-origin pages, that has been converted to ReaderMode, can be stolen and an attacker can gain access to Brave's privileged pages.

Language: Swift

Severity Score

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

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

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