The Backup, Restore and Migrate your sites with XCloner plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 4.8.2. This is due to missing or incorrect nonce validation on the Xcloner_Remote_Storage:save() function. This makes it possible for unauthenticated attackers to add or modify an FTP backup configuration via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. Successful exploitation allows an attacker to set an attacker-controlled FTP site for backup storage and exfiltrate potentially sensitive site data.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Xcloner Backup And Restore Plugin | — | Update xcloner-backup-and-restore plugin to version 4.8.3, or a newer patched version | Dec 5, 2025 | Dec 4, 2025 |
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