JetBackup restores can elevate a Subscriber to Administrator
JetBackup 3.1.7.9 through 3.1.23.4 does not verify the role or capabilities of an account preserved during restore or migration before granting it Administrator privileges. A Subscriber-level account can become an Administrator after the site owner performs the affected restore or migration.
- Component
- JetBackup
- Plugin slug
jetbackup- Affected
- 3.1.7.9 to < 3.1.23.5
- Safe version
3.1.23.5- Published
- Sep 02, 2026
This CVE was published Sep 02, 2026 and is one of 6 known issues for this plugin.
Update, patch or deactivate.
Update to JetBackup 3.1.23.5 or later before restoring or migrating, and audit administrator roles after any affected restore operation.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
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 JetBackup WordPress plugin before 3.1.23.5 does not verify the role or capabilities of the account it preserves across a restore or migration before granting it administrator privileges, allowing a subscriber-level user to gain administrator access after the site owner restores or migrates the site.
CVE / CNA vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H