tag-security-privacy.md

TAG Security & Privacy Review Document

Answering questions from the questionaire doc here.

Questions to Consider

3.1. Does this specification deal with personally-identifiable information?

Yes. It provides access to the clipboard (protected behind a Permission).

3.2. Does this specification deal with high-value data?

Possibly. The clipboard can contain any data (although the API is currently limited to only accessing text data). But this could be passwords or other sensitive information.

3.3 Does this specification introduce new state for an origin that persists across browsing sessions?

No.

3.4. Does this specification expose persistent, cross-origin state to the web?

No.

3.5. Does this specification expose any other data to an origin that it doesn’t currently have access to?

No.

3.6. Does this specification enable new script execution/loading mechanisms?

No.

3.7. Does this specification allow an origin access to a user’s location?

No.

3.8. Does this specification allow an origin access to sensors on a user’s device?

No.

3.9. Does this specification allow an origin access to aspects of a user’s local computing environment?

Yes. It provides access to the system clipboard.

3.10. Does this specification allow an origin access to other devices?

No.

3.11. Does this specification allow an origin some measure of control over a user agent’s native UI?

No.

3.12. Does this specification expose temporary identifiers to the web?

No.

3.13. Does this specification distinguish between behavior in first-party and third-party contexts?

No.

3.14. How should this specification work in the context of a user agent’s "incognito" mode?

The same as outside of incognito.

3.15. Does this specification persist data to a user’s local device?

No.

3.16. Does this specification have a "Security Considerations" and "Privacy Considerations" section?

Yes.

3.17. Does this specification allow downgrading default security characteristics?

No.

Mitigation Strategies

4.1 Secure Contexts

This API is only available in Secure contexts

4.2 Explicit user mediation

A Clipboard permission is defined so that the user agents can give the user control over which sites can use this feature.