CVE-2026-19453
JetBackup 3.1.7.9 - 3.1.23.3 - Subscriber+ Privilege Escalation via Restore Admin User Selection
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
JetBackup 3.1.7.9 - 3.1.23.3 - Subscriber+ Privilege Escalation via Restore Admin User Selection
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.
- Record
CVE-2026-19453- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
EUVDEUVD-2026-69863
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.
- Record
EUVD-2026-69863- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-qpph-f397-9mqv
The JetBackup WordPress plugin before 3.1.23.5 does not verify the role or capabilities of the...
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.
- Record
GHSA-qpph-f397-9mqv- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-19453- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-19453 is a high vulnerability (CVSS 7.1) in Unknown Jetbackup, published September 2, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.