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CVE-2025-48980

Published: Oct 30, 2025Updated: Dec 1, 2025 Sources: CVE List NVDCWE-565
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.3%
Top 82.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-565

Affected Products

Desktop BrowserBrave
Mixed
Consumer Software / browser
bravecommercialUSConsumer Softwareaka brave browser

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://hackerone.com/reports/3253725
hackerone.com

Timeline

Published
Oct 30, 2025
Last Updated
Dec 1, 2025

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