Medium severity4.4NVD Advisory· Published Aug 27, 2026· Updated Aug 28, 2026
CVE-2026-19454
CVE-2026-19454
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
1- Wordfence Intelligence Weekly WordPress Vulnerability Report (August 24, 2026 to August 30, 2026)Wordfence Blog · Sep 3, 2026