Update the WordPress UpdraftPlus plugin to the latest available version (at least 1.22.3).
Marc-Alexandre Montpas (Automattic) discovered and reported this Arbitrary File Download vulnerability in WordPress UpdraftPlus Plugin. This could allow a malicious actor to download any file from your website. This includes but is not limited to files that contain login credentials or backup files. This vulnerability has been fixed in version 1.22.3.
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