Backup and Restore plugin – WordPress <= 1.0.3 - Authenticated (Admin+) Arbitrary File Deletion

2021-11-08 00:00
Murat DEMIRCI

Strategic Overview

Vulnerability Overview

The Backup and Restore plugin – WordPress plugin for WordPress is vulnerable to Arbitrary File Deletion via the 'folder_name' parameter in versions up to, and including, 1.0.3. This is due to insufficient sanitization and validation of user-supplied input. This makes it possible for authenticated attackers with admin-level privileges to arbitrarily delete files on the server.

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')) The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

External References

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C