Simon Sawicki ff07792676 [core] Prevent RCE when using --exec with %q (CVE-2024-22423) ...

The shell escape function now properly escapes `%`, `\\` and `\n`. `utils.Popen` as well as `%q` output template expansion have been patched accordingly.

Prior to this fix using `--exec` together with `%q` when on Windows could cause remote code to execute. See https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-hjq6-52gw-2g7p for more details.

Authored by: Grub4K

2024-04-09 18:36:13 +02:00

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