Bug ! Upload Image in Theme Panel = Syntax error if Caption image exist.

Hello,
this is just a bug report, I’m not looking for support.

I have an issue and I think it’s may be a bug.
If I try to set a background image in “Theme background” using the upload button, and if this image have any char in “caption” I get this error:

load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-draggable,jquery-ui-position,utils&ver=5.5.3:2 Uncaught Error: Syntax error, unrecognized expression: [caption id="attachment_37" align="alignnone" width="696"] 12345[/caption]
at Function.ea.error (load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-draggable,jquery-ui-position,utils&ver=5.5.3:2)
at ea.tokenize (load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-draggable,jquery-ui-position,utils&ver=5.5.3:2)
at ea.select (load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-draggable,jquery-ui-position,utils&ver=5.5.3:2)
at Function.ea [as find] (load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-draggable,jquery-ui-position,utils&ver=5.5.3:2)
at n.fn.init.find (load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-draggable,jquery-ui-position,utils&ver=5.5.3:2)
at new n.fn.init (load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-draggable,jquery-ui-position,utils&ver=5.5.3:2)
at n.fn.init.n [as constructor] (load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-draggable,jquery-ui-position,utils&ver=5.5.3:2)
at new n.fn.init (load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-draggable,jquery-ui-position,utils&ver=5.5.3:2)
at n (load-scripts.php?c=0&load[chunk_0]=jquery-core,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-draggable,jquery-ui-position,utils&ver=5.5.3:2)
at Object.window.send_to_editor (td_wp_admin.min.js?ver=10.3.7:46)

If I remove the “caption” the image will be set as background.

This issue happen with all images options in the “Theme panel”, logo, favicon …

-WordPress Version 5.5.3
-Newspaper Version 10.3.7
-PHP Version 7.3
-Chrome Version 86.0.4240.183 (Official Build) (64-bit)
-Windows 7 x64 SP1

Best Regards
Nexus

I’m in process to remove Newspaper from my WordPress. When I’m finish I will re install locally an old version of my website and send you a video of the issue.

Hello,
sorry for the delay.

I have re-installed on a local server (unix) the new version of Newspaper Version: 10.3.9.1 and I do not have anymore the error message, but the bug still here.

As you ca see on the video, if the image have a Caption text, this image cannot be set as background.

[video src="https://i.imgur.com/51U84Bf.mp4" /]

Best Regards
Nexus

You’re welcome.