[wp-meta] [Making WordPress.org] #8149: Add warning when hotlinking images from external sources

[Making WordPress.org]

#8149: Add warning when hotlinking images from external sources
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 Reporter:  dd32                        |       Owner:  (none)
     Type:  defect (bug)                |      Status:  new
 Priority:  normal                      |   Milestone:
Component:  Handbooks                   |  Resolution:
 Keywords:  needs-patch good-first-bug  |
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Comment (by dd32):

 If someone wants to whip up a lightweight plugin for this, happy to see
 that done :) (Either as a plugin on w.org/plugins, or stand alone for
 wporg).

 As I said on Slack:
 https://wordpress.slack.com/archives/C02RP4WU5/p1765856008439419?thread_ts=1765855859.923399&cid=C02RP4WU5
 > Here’s an example of what I was thinking of doing.. does anyone have any
 thoughts on a better way to do it? I’m not really great at editor
 enhancements, but I’m sure I could force a CSS style in to make
 externally-loaded images look ugly ''in the editor'' :)

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Ticket URL: <https://meta.trac.wordpress.org/ticket/8149#comment:2>
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