馃悰 Escape dot in trusted referrer host regex - #40532
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powerivq merged 2 commits intoAug 13, 2026
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isTrustedReferrer in src/impression.js gates the credentialed click-tracking fetch and the history.replaceState in handleReplaceUrl on whether the document referrer host is in TRUSTED_REFERRER_HOSTS. The only entry is
/^t.co$/, where the unescaped dot acts as a wildcard, so it also matches unrelated single-label hosts liketacoortxcorather than just Twitter'st.co. Escaping the dot keepst.comatching while dropping the lookalikes.