https://bugs.kde.org/show_bug.cgi?id=496708

--- Comment #2 from Noah Davis <noaha...@gmail.com> ---
> How does Spectacle copy and save and regurgitate images from the screen?

When using KWin, Spectacle requests a screenshot from KWin. You can then use
Spectacle to apply various modifications to the image, such as crops and
annotations. Depending on your settings (check the settings dialog by clicking
"Configure..."), it may or may not automatically save the screenshot to your
screenshots folder or copy the screenshot to the clipboard. Unless you have
explicitly chosen to open an existing image from 4 hours ago with the -E or
--edit-existing command line options, it should be impossible to open a
screenshot from 4 hours ago.

On X11 without KWin, Spectacle uses X11/XCB to get screenshots and process them
in the same way as mentioned above.

> Can it be abused or hacked?

Almost anything can be abused or hacked depending on the circumstances and
methods used. However, making Spectacle open a screenshot from 4 hours ago
would be a strange choice for a hacker even if their only goal was to troll
you.

> Am I hacked, or is this a bug?

It's probably a bug.

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