CVE-2025-48980

State: Published
Severity: 6.5 Medium
Published: Oct 30, 2025
Updated: Dec 1, 2025
Reserved: May 29, 2025

Description

In Brave Browser Desktop versions prior to 1.83.10 that have the split view feature enabled, the "Open Link in Split View" context menu item did not respect the SameSite cookie attribute. Therefore SameSite=Strict cookies would be sent on a cross-site navigation using this method.

Scores

CVSS	Score	Vector	Source
3.0	6.5 Medium	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N	hackerone

Weaknesses

CWE-565 Reliance on Cookies without Validation and Integrity Checking

Affected Products

Product	Versions
Desktop BrowserBrave	1.83.10 to before 1.83.10Affected

References

https://hackerone.com/reports/3253725

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