SecuriTricks - CVE-2025-48980

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.

Product(s) Impacted

Vendor	Product	Versions
Brave	Brave Browser	<1.83.10

Weaknesses

Common security weaknesses mapped to this vulnerability.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	brave	brave_browser	<1.83.10	/	/	/	/	/	/	/

References

https://hackerone.com/reports/3253725

CVSS Score

6.5 / 10

CVSS Data - 3.0

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: NONE
Availability Impact: NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

View Vector String

Timeline

Published: Oct. 31, 2025, 12:15 a.m.
Last Modified: Oct. 31, 2025, 12:15 a.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

support@hackerone.com

CVE-2025-48980