CVE-2023-52263

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-30 · updated 2026-06-17
Weakness: CWE-601

Description

Brave Browser before 1.59.40 does not properly restrict the schema for WebUI factory and redirect. This is related to browser/brave_content_browser_client.cc and browser/ui/webui/brave_web_ui_controller_factory.cc.

Affected products

Brave Software Brave Browser Android: before 1.59.40 — fixed in 1.59.40

How to fix

Upgrade to a fixed version: Brave Software Brave Browser Android 1.59.40. Check the vendor advisory for mitigations.

References

https://github.com/brave/brave-browser/issues/32449
https://github.com/brave/brave-browser/issues/32473
https://github.com/brave/brave-core/pull/19820
https://github.com/brave/brave-core/pull/19820/commits/9da202f7f4bc80b6975909b684bbc0764a31c4e9
https://github.com/brave/brave-browser/issues/32449
https://github.com/brave/brave-browser/issues/32473
https://github.com/brave/brave-core/pull/19820
https://github.com/brave/brave-core/pull/19820/commits/9da202f7f4bc80b6975909b684bbc0764a31c4e9

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