

Image files can contain thumbnail exif data. Basically the thumbnail isn’t created on the fly every time its needed, it’s a second image in the same image file. Some software doesn’t edit that exif data when it edits the image, so you can end up with a mismatch like this.
Try a different image editor











How are they on a soapbox? They made a relevant comment in a related comment section. They are very on topic and discussing OPs post. You’re kinda on a soapbox though, aren’t you?