The All-in-One WP Migration and Backup plugin for WordPress is vulnerable to arbitrary PHP Code Injection due to missing file type validation during the export in all versions up to, and including, 7.86. This makes it possible for authenticated attackers, with Administrator-level access and above, to create an export file with the .php extension on the affected site's server, adding an arbitrary PHP code to it, which may make remote code execution possible.
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.