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CVE-2025-23086

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是Brave公司的一款适用于 PC、Mac 和移动设备的快速、私密且安全的网络浏览器。 Brave Browser 1.70.x版本至1.73.x版本存在输入验证错误漏洞，该漏洞源于在某些情况下文件选择对话框中站点来源未被正确识别，可能会允许恶意站点启动下载。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.36% · P28
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I. Basic Information for CVE-2025-23086

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
On most desktop platforms, Brave Browser versions 1.70.x-1.73.x included a feature to show a site's origin on the OS-provided file selector dialog when a site prompts the user to upload or download a file. However the origin was not correctly inferred in some cases. When combined with an open redirector vulnerability on a trusted site, this could allow a malicious site to initiate a download whose origin in the file select dialog appears as the trusted site which initiated the redirect.
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 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Brave Browser是Brave公司的一款适用于 PC、Mac 和移动设备的快速、私密且安全的网络浏览器。 Brave Browser 1.70.x版本至1.73.x版本存在输入验证错误漏洞，该漏洞源于在某些情况下文件选择对话框中站点来源未被正确识别，可能会允许恶意站点启动下载。
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 1.74.48 ~ 1.74.48 -

II. Public POCs for CVE-2025-23086

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III. Intelligence Information for CVE-2025-23086

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Other References for CVE-2025-23086 (1)

IV. Related Vulnerabilities

Same product: Desktop Browser
Same vendor: Brave

V. Comments for CVE-2025-23086

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