MeTube now refuses requests sent from other websites unless their origin is listed in CORS_ALLOWED_ORIGINS. This closes a security hole (GHSA-cxj8-27g9-669f). If you use a bookmarklet, add the sites you use it on, e.g. CORS_ALLOWED_ORIGINS=https://www.youtube.com. Details in #1085.
Changes
docs: point readers at the wiki from the README top and the issue forms (dfe3daa)
fix: let a refused bookmarklet see why it was refused (e165b36)
test: pin that scheme-less internal URLs are refused before any fetch (2979e3a)
fix: refuse state-changing requests and socket connections from other sites (772a16c)