Skip to content
OpenAdvisories
Medium · 4.4 CVE-2026-19454 EUVD-2026-66875GHSA-6883-v78q-c9cg

JetBackup 3.1.18.8 - 3.1.23.3 - Admin+ Multisite Network Backup Download

Published Aug 27, 2026 · Updated Aug 27, 2026 · Assigned by WPScan

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 products

VendorProductAffectedFixed
— JetBackup 3.1.18.8 – < 3.1.23.5 3.1.23.5

References