Fix CodeQL alert #1: YouTube URL hostname validation#181
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Parse URLs with the URL API and allowlist YouTube hostnames instead of matching youtube.com/youtu.be substrings anywhere in the URL string. Fixes code scanning alert #1 (js/incomplete-url-substring-sanitization). Co-authored-by: Cursor <cursoragent@cursor.com>
neatudarius
requested review from
JeffGarland,
RaduNichita,
camio,
ednolan,
inbal2l and
mguludag
as code owners
July 9, 2026 23:33
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Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
url.includes("youtube.com")/url.includes("youtu.be")with hostname allowlist parsing via theURLAPIgetHTMLwith the same hostname logic for youtu.be vs youtube.com URLsFixes code scanning alert #1 (
js/incomplete-url-substring-sanitization).Replaces closed #177 with a single-file change on current
main.Test plan
youtube.com/watch?v=…andyoutu.be/…links in blog/docsMade with Cursor