Unable to attach files, reassign ticket, move ticket to sprint using Firefox browser

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Platform notice: Server and Data Center only. This article only applies to Atlassian products on the Server and Data Center platforms.

Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.

*Except Fisheye and Crucible



Unable to perform the following action in JIRA when using FIREFOX browse

  • Attach files
  • Reassign Ticket
  • Move ticket to Sprints



  • Only happen in firefox, when tested in other browser such as Chrome & IE, no issue in performing any actions.


"Safe browsing" is enable in firefox that limits some functionality for JIRA


Disable the "Safe Browsing"

  1. Open your Firefox and browse through Tools/Security/
  2. Uncheck "Block reported attack sites" and "Block reported web forgeries" 
  3. Clear the browser's cache and retest
Last modified on Feb 26, 2016

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