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Andrew Stitt's avatar
Andrew Stitt
Copper Contributor
May 11, 2023
Solved

Hyperlink/Picture Column suddenly breaks external images in Gallery/Card Designer

We use a Flow with an API connection to grab image links from an external vendor and populate that data to the Hyperlink or Picture column of a SharePoint list. We then add JSON formatting to display...
Gallery view
JSON formatting
Picture
ganeshsanap's avatar
ganeshsanap
MVP
May 12, 2023

Andrew Stitt Microsoft updated something in backend which affects external images referred in SharePoint JSON formatting.

 

When you refer external images in JSON formatting, src in img element is changed to data-untrusted-src automatically, like: 

You can fix this issue by adding external site domain from which you are using images in HTML Field Security settings, detailed steps given at: SharePoint Online: External Image URLs not working in JSON Formatting 

 

I just tested this and it worked for me: 

Also, it is possible to add/update SharePoint image columns using Power automate: 

  1. Add an image to SharePoint Image columns using Power Automate 
  2. Update image in SharePoint/Microsoft Lists Image columns using Power Automate 

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Andrew Stitt's avatar
Andrew Stitt
Copper Contributor
May 12, 2023
ganeshsanap The backend change was indeed the cause. I added our vendor's domain to the list of "Allow iframes from this domain" in the HTML Field Security settings and that resolved the issue.

Thanks for your assistance and the tip on updating the Image column with Power Automate!

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