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WS-2023-0203

Date: June 22, 2023

A Cross-Site scripting (XSS) vulnerability was found in Brave Software on Brave Today through custom RSS feed. It allows an attacker to add any RSS feed to Brave Today, and the registered feed entries are shown in a tab with a hyperlink to the original article URL. Then, Brave iOS doesn't restrict the URL scheme of the original article link, which can cause XSS weakness through javascript: URL.

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): LOW
Integrity (I): LOW
Availability (A): NONE

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