Everest Backup – WordPress Cloud Backup, Migration, Restore & Cloning Plugin: A security weakness
Everest Backup – WordPress Cloud Backup, Migration, Restore & Cloning Plugin is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation.
- Component
- Everest Backup – WordPress Cloud Backup, Migration, Restore & Cloning Plugin
- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Dec 03, 2025
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Dec 03, 2025 and is one of 2 known issues for this plugin.
Update, patch or deactivate.
Update Everest Backup – WordPress Cloud Backup, Migration, Restore & Cloning Plugin to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The Everest Backup – WordPress Cloud Backup, Migration, Restore & Cloning Plugin plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the process_status_unlink() function in all versions up to, and including, 2.3.8. This makes it possible for unauthenticated attackers to delete the back-up progress files and cause a back-up to fail while it is in progress.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N