{"id":"CVE-2025-43858","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-43858","generatedAt":"2026-10-28T03:39:56.014Z","title":"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…","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.","published":"2025-04-24T18:15:20.000Z","lastModified":"2026-06-17T09:24:39.000Z","status":"Deferred","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":9.2,"severity":"CRITICAL","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L"},"cwe":["CWE-77","CWE-78"],"affected":[],"epss":{"score":0.00264,"percentile":0.18224,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/Bluegrams/YoutubeDLSharp/commit/b6051372bd5af30f95f73de47d9bc71c3a07de0f","source":"security-advisories@github.com"},{"url":"https://github.com/Bluegrams/YoutubeDLSharp/commit/fdf3256da18d0e2da4a2f33ad4a1b72ff8273a50","source":"security-advisories@github.com"},{"url":"https://github.com/Bluegrams/YoutubeDLSharp/security/advisories/GHSA-2jh5-g5ch-43q5","source":"security-advisories@github.com"},{"url":"https://github.com/Bluegrams/YoutubeDLSharp/security/advisories/GHSA-2jh5-g5ch-43q5","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-43858","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}