Security Considerations: Origin Verification and Expected-Origins Sig… #429
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…naling Mitigation - Origin Verification and Expected-Origins Signaling For more context, please refer to the [Google Doc](https://docs.google.com/document/d/1BpBBiv7GgkGi1_Y7NvyD3Mkalj0g857Qw-aan3NqYwU/edit?tab=t.dilz864boly) containing the Threat Model (which will be published as separate Notes) and the complete Section.
timcappalli
reviewed
Jan 8, 2026
| User Agents. The following mitigations derive from normative requirements already present in the | ||
| specification.</p> | ||
| <section> | ||
| <h4>Origin Verification and Expected-Origins Signaling</h4> |
Collaborator
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Expected Origins is part of 1 protocol, not at the API level.
timcappalli
reviewed
Jan 8, 2026
| specification.</p> | ||
| <section> | ||
| <h4>Origin Verification and Expected-Origins Signaling</h4> | ||
| <p>The specification provides the user with a way to compare the [=environment settings object's=] |
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Given that this PR is still in draft status, perhaps this sentence is aspirational?
TallTed
reviewed
Jan 12, 2026
| <p>This transfers T5 and T7 by allowing the other components of the ecosystem to display their origins | ||
| clearly.</p> | ||
| <p>When displaying URLs the User Agent should consider the <a | ||
| href="https://url.spec.whatwg.org/#security-considerations">Security Consideration Sections of the |
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Suggested change
| href="https://url.spec.whatwg.org/#security-considerations">Security Consideration Sections of the | |
| href="https://url.spec.whatwg.org/#security-considerations">Security Considerations Section of the |
TallTed
reviewed
Jan 12, 2026
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| <p>This transfers T5 and T7 by allowing the other components of the ecosystem to display their origins | ||
| clearly.</p> |
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Suggested change
| <p>This transfers T5 and T7 by allowing the other components of the ecosystem to display their origins | |
| clearly.</p> | |
| <p>This transfers T5 and T7 by also allowing the other components of the ecosystem to clearly display | |
| their own origins.</p> |
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…naling
Mitigation - Origin Verification and Expected-Origins Signaling
For more context, please refer to the Google Doc containing the Threat Model (which will be published as separate Notes) and the complete Section.
Closes #???
The following tasks have been completed:
Implementation commitment:
Documentation and checks
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