Mommy Heather Advanced Backups up to v3.5.3 allows attackers to write arbitrary files via restoring a crafted back up.
https://github.com/MommyHeather/AdvancedBackups/commit/1545f499f73bf434ed292c31121fdda8042ff5d6
https://gist.github.com/apple502j/193358682885fe1a6708309ce934e4ed