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CVE-2026-19454

MEDIUM 4.4 CVSS 3.1
Published
August 27, 2026
Last modified
August 28, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-863
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

Description

The JetBackup WordPress plugin before 3.1.23.5 does not perform its multisite authorisation check before serving backup archives and job logs, allowing an administrator of the network's main site who is not a Super Admin to download a full backup of the entire network, including every site's data and the shared webroot.

Affected WordPress components

  • JetBackup – Backup, Restore & Migrate Plugin · backup
    Confirmed match Active
    From 3.1.18.8 (including) to 3.1.23.5 (excluding)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown JetBackup — From 3.1.18.8 (including) to 3.1.23.5 (excluding)

References

  • wpscan.com https://wpscan.com/vulnerability/1f5480c1-260a-40ce-9938-112746f9e8e8/
  • nvd.nist.gov Official NVD record