CVE-2026-19454
Medium · 4.4CVSS
4.4
EPSS
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Published
Aug 27, 2026
CISA due date
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The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
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