Issue Summary

Images added in a Jira Data Center (DC) text field using wiki-style rendering do not load correctly within a Jira Legacy macro in Confluence Cloud when using a tunnel for the application link.

Steps to Reproduce

1. Setup:

• Establish a tunnel connection between Confluence Cloud and a Jira DC instance.
• Create an application link utilizing the tunnel.

2. Configuration in Jira DC:

• Create a custom field of type "Text (multiple lines)".
• Add this custom field to the relevant project screens.
• Set the field's renderer format to "Wiki style rendering".
• Create an issue and attach an image in the custom field.
• Verify that the image is displayed correctly in both the display and text formats within Jira.
  Note the image URL format:

  https://<jira_base_url>/secure/attachment/<attachment_id>/<attachment_id>_<image_name>.<extension>

• Using the Issue Navigator, use the JQL to list the issue created. Add the column for the new field.

3. Configuration in Confluence Cloud:

• Use the same JQL from Jira to add a Jira Legacy macro.
• Include the custom field in the display columns.
• Preview and publish the page.

Expected Results

• The page should display images as they appear in the Jira Issue Navigator.

Actual Results

• The images fail to load on the Confluence page.

• Inspecting with Developer Tools reveals the image URL is using the tunnel format (Application URL):

  https://xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx.self-hosted.atlassian.com/secure/attachment/<attachment_id>/<attachment_id>_<image_name>.<extension>.

• Accessing this URL directly results in a "not found" error.

Workaround

Use external references for images, such as embedding them via direct links:

!https://wac-cdn.atlassian.com/misc-assets/webp-images/confluence/confluence-scroll-2.webp!