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I. Basic Information for CVE-2025-43858
Vulnerability Information

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Vulnerability Title
YoutubeDLSharp allows command injection on windows system due to non sanitized arguments
Source: NVD (National Vulnerability Database)
Vulnerability Description
YoutubeDLSharp is a wrapper for the command-line video downloaders youtube-dl and yt-dlp. In versions starting from 1.0.0-beta4 and prior to 1.1.2, an unsafe conversion of arguments allows the injection of a malicious commands when starting `yt-dlp` from a commands prompt running on Windows OS with the `UseWindowsEncodingWorkaround` value defined to true (default behavior). If a user is using built-in methods from the YoutubeDL.cs file, the value is true by default and a user cannot disable it from these methods. This issue has been patched in version 1.1.2.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Bluegrams YoutubeDLSharp 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bluegrams YoutubeDLSharp是Bluegrams公司的一个youtube-dl和yt-dlp的简单.NET包装库。 Bluegrams YoutubeDLSharp 1.0.0-beta4版本至1.1.2之前版本存在安全漏洞,该漏洞源于参数转换不安全,可能导致命令注入。
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
BluegramsYoutubeDLSharp >= 1.0.0-beta4, < 1.1.2 -
II. Public POCs for CVE-2025-43858
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III. Intelligence Information for CVE-2025-43858
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IV. Related Vulnerabilities
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