Block cross-origin <a download>

To avoid what is essentially user-mediated cross-origin information leakage, Blink will start to ignore the presence of the download attribute on anchor elements with cross origin attributes.


Safari and Firefox already implement the desired behavior. Edge tries to mitigate the impact of cross origin downloads by changing the file extension.



De-facto standard

Status in Chromium


Enabled by default (tracking bug) in:

  • Chrome for desktop release 65
  • Chrome for Android release 65
  • Android WebView release 65

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

  • Shipped
  • No public signals
  • Shipped
  • No signals


Last updated on 2018-02-20