CVE-2023-52263

Brave Browser before 1.59.40 does not properly restrict the schema for WebUI factory and redirect...

6.1 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.46%Up 0.4 points since Dec 31, 2023

What each source reports

NVD Score used 6.1

Record: CVE-2023-52263
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-601
Updated: 2026-11-02

CVE List No score

Record: CVE-2023-52263
Updated: 2026-11-02

EUVDEUVD-2023-56936 No score

Record: EUVD-2023-56936
Updated: 2026-11-03

GitHub AdvisoriesGHSA-qjjc-3p8q-pjq2 6.1

Brave Browser before 1.59.40 does not properly restrict the schema for WebUI factory and redirect...

Record: GHSA-qjjc-3p8q-pjq2
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-601
Updated: 2026-11-02

OSV No score

Record: CVE-2023-52263
Updated: 2026-11-02

Affected products

brave browser

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-52263 is a medium vulnerability (CVSS 6.1) in Brave Browser, published December 30, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 39th percentile. No source names a fixed version.