Q: Is it fixed officially? (Patch/Mitigation)

✅ **Fixed**: **Yes**. <br>🔧 **Patch**: Upgrade to version **1.1.2** or later. <br>📖 **Reference**: See GitHub Advisory GHSA-2jh5-g5ch-43q5 for official mitigation details.

Q: What if no patch? (Workaround)

🛡️ **No Patch Workaround**: Implement strict **input validation** and **sanitization** for all video URLs and parameters before passing them to the library. Avoid passing raw user input directly.

Question 1

What is this vulnerability? (Essence + Consequences)

Accepted Answer

🚨 **Essence**: A Command Injection flaw in **Bluegrams YoutubeDLSharp** (a .NET wrapper for youtube-dl/yt-dlp).…

Question 2

Root Cause? (CWE/Flaw)

Accepted Answer

🛡️ **Root Cause**: **CWE-77** (Command Injection).…

Question 3

Who is affected? (Versions/Components)

Accepted Answer

📦 **Affected**: **Bluegrams YoutubeDLSharp**.
📅 **Versions**: **1.0.0-beta4** up to (but not including) **1.1.2**.
🏢 **Vendor**: Bluegrams.

Question 4

What can hackers do? (Privileges/Data)

Accepted Answer

👑 **Privileges**: The attacker gains the **same privileges** as the application running the library.…

Question 5

Is exploitation threshold high? (Auth/Config)

Accepted Answer

🔓 **Threshold**: **Low**.
📝 **Config**: CVSS indicates **Local** attack vector, **Low** complexity, and **No Privileges/No UI** required.…

Question 6

Is there a public Exp? (PoC/Wild Exploitation)

Accepted Answer

🚫 **Public Exp?**: **No**. The `pocs` field is empty.
🔍 **Status**: While no public PoC exists, the nature of CWE-77 makes it highly exploitable once the vector is identified.

Question 7

How to self-check? (Features/Scanning)

Accepted Answer

🔍 **Self-Check**: Scan your .NET projects for references to `YoutubeDLSharp`.
🔎 **Version Audit**: Check `package.json` or `.csproj` for versions **< 1.1.2**.…

Question 8

Is it fixed officially? (Patch/Mitigation)

Accepted Answer

✅ **Fixed**: **Yes**.
🔧 **Patch**: Upgrade to version **1.1.2** or later.
📖 **Reference**: See GitHub Advisory GHSA-2jh5-g5ch-43q5 for official mitigation details.

Question 9

What if no patch? (Workaround)

Accepted Answer

🛡️ **No Patch Workaround**: Implement strict **input validation** and **sanitization** for all video URLs and parameters before passing them to the library. Avoid passing raw user input directly.

Question 10

Is it urgent? (Priority Suggestion)

Accepted Answer

🔥 **Urgency**: **HIGH**.
⚡ **Priority**: CVE-3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L indicates **High** impact.…

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CVE-2025-43858 — AI Deep Analysis Summary

Q1What is this vulnerability? (Essence + Consequences)

Q2Root Cause? (CWE/Flaw)

Q3Who is affected? (Versions/Components)

Q4What can hackers do? (Privileges/Data)

Q5Is exploitation threshold high? (Auth/Config)

Q6Is there a public Exp? (PoC/Wild Exploitation)

Q7How to self-check? (Features/Scanning)

Q8Is it fixed officially? (Patch/Mitigation)

Q9What if no patch? (Workaround)

Q10Is it urgent? (Priority Suggestion)

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