same-origin policy

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|internet}} A [[rule]], in [[web browser]]s, that [[permit]]s [[script]]s contained in a first [[web page]] to [[access]] [[data]] in a second web page, but only if both web pages have the same origin (based on [[URI]] [[scheme]], [[hostname]]{{,}} and [[port]] number), so as to prevent [[malicious]] scripts from accessing sensitive data through the [[Document Object Model]].

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