Can any wallpaper set on Android be a threat to privacy? - in some cases yes

The article on FingerprintJS blog highlights privacy threats arising from the use of wallpaper images on Android devices. The author explains how apps can collect user data through access to wallpaper images. It begins by discussing the growing popularity of personalizing screens, which leads to an increased use of wallpapers sourced from the internet. These images can contain metadata that reveals information about user locations, hardware, and activity. App owners can leverage this data to track users and create profiles about them, which ultimately compromises privacy. The author calls for increased caution regarding sharing photos and using external wallpaper sources on mobile devices, suggesting that users consider using secure apps to manage their pictures.