[wp-trac] [WordPress Trac] #52340: When doing Add Media - Insert from URL caption textarea fills with HTML markup due to improper HTML

[WordPress Trac]

#52340: When doing Add Media - Insert from URL caption textarea fills with HTML
markup due to improper HTML
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 Reporter:  mwheelermindbox             |      Owner:  (none)
     Type:  defect (bug)                |     Status:  new
 Priority:  normal                      |  Milestone:  Awaiting Review
Component:  Media                       |    Version:  5.6
 Severity:  normal                      |   Keywords:
  Focuses:  template, coding-standards  |
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 When creating/editing a post and choosing "Add Media" and then "Insert
 from URL" in the sidebar of the modal, and entering the URL of the image
 the caption field is filled with the markup for the alignment and link
 button bars.

 Line 1023 of wp-includes/media-template.php is:

 <textarea id="embed-image-settings-caption" data-setting="caption" />

 but textarea is not allowed to be a self-closing tag, so in Chrome (and
 possibly other browsers) this textarea gets filled with the markup to
 control image layout.

 This is all fixed if line 1023 is changed to the proper markup of:

 <textarea id="embed-image-settings-caption" data-
 setting="caption"></textarea>

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Ticket URL: <https://core.trac.wordpress.org/ticket/52340>
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