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CVE

CVE-2025-48980

In Brave Browser Desktop versions prior to 1.83.10 that have the split view feature enabled, the "Open Link in Split Vie

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.

MEDIUM · CVSS 6.5 EPSS 0.00049
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-565Reliance on Cookies without Validation and Integrity Checking
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.0 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD31 Oct 2025 · 12:15 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://hackerone.com/reports/3253725
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