A vulnerability classified as problematic has been found in Musicshelf 1.0/1.1 on Android. Affected is an unknown function of the file androidmanifest.xml of the component Backup Handler. The manipulation leads to exposure of backup file to an unauthorized control sphere. It is possible to launch the attack on the physical device. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-256320.
https://vuldb.com/?ctiid.256320
https://github.com/ctflearner/Android_Findings/blob/main/Musicshelf/Musicshelf_Manifest_issue.md