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CVE-2025-48980

Quick assessment

Affected
Brave Desktop Browser
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Brave Browser Desktop是美国Brave公司的一个桌面浏览器。 Brave Browser Desktop 1.83.10之前版本存在安全漏洞，该漏洞源于启用分屏视图功能时Open Link in Split View上下文菜单项未遵循SameSite cookie属性，可能导致跨站导航发送SameSite=Strict cookies。

AI Predicted 5.3 Difficulty: Easy EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2025-48980

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Brave Browser Desktop 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Brave Browser Desktop是美国Brave公司的一个桌面浏览器。 Brave Browser Desktop 1.83.10之前版本存在安全漏洞，该漏洞源于启用分屏视图功能时Open Link in Split View上下文菜单项未遵循SameSite cookie属性，可能导致跨站导航发送SameSite=Strict cookies。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Brave Desktop Browser 1.83.10 ~ 1.83.10 -

II. Public POCs for CVE-2025-48980

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III. Intelligence Information for CVE-2025-48980

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IV. Related Vulnerabilities

Same product: Desktop Browser
Same vendor: Brave

V. Comments for CVE-2025-48980

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