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I. Basic Information for CVE-2025-66402
Vulnerability Information

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Vulnerability Title
misskey.js's export data contains private post data
Source: NVD (National Vulnerability Database)
Vulnerability Description
Misskey is an open source, federated social media platform. Starting in version 13.0.0-beta.16 and prior to version 2025.12.0, an actor who does not have permission to view favorites or clips can can export the posts and view the contents. Version 2025.12.0 fixes the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Misskey 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Misskey是Misskey开源的一个永久免费的开源联合社交媒体平台。 Misskey 13.0.0-beta.16版本至2025.12.0之前版本存在安全漏洞,该漏洞源于没有权限查看收藏或剪辑的参与者可以导出帖子并查看内容。
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
VendorProductAffected VersionsCPESubscribe
misskey-devmisskey >= 13.0.0-beta.16, < 2025.12.0 -
II. Public POCs for CVE-2025-66402
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III. Intelligence Information for CVE-2025-66402
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IV. Related Vulnerabilities
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