Try to upload image with the Media Uploader extension. But it doesn't upload the image. In the JS console it shows a 403 error on /admin-ajax.php
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Jun 10, 2021 8:42 pm
1 Reply
Jun 10, 2021 9:13 pm
Please delete all caches and delete website optimizer/minifier plugin caches.
Then disable security plugins for testing purpose. Probably there is some security plugin, that doesn't allow using WordPress AJAX system.
Also, please check out the following FAQ: https://wpdiscuz.com/community/f-a-q/if-attach-an-image-button-doesnt-work/