The WPvivid — Backup, Migration & Staging WordPress plugin before 0.9.138 does not properly validate a backup storage directory path before using it to create directories and write files, allowing administrators to cause those directories and files to be created outside the intended backup location via path traversal.

The WPvivid — Backup, Migration & Staging WordPress plugin before 0.9.138 does not properly validate a backup storage directory path before using it to create directories and write files, allowing administrators to cause those directories and files to be created outside the intended backup location via path traversal.