CVE-2026-19454: CWE-863 Incorrect Authorization in JetBackup
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.
CVE-2026-19454: CWE-863 Incorrect Authorization in JetBackup
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.
CVSS v3.1
Score 4.4medium
Affected software
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-08-10T14:10:21.471Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8fd7baacd9273b49e174c5
Added to database: 08/27/2026, 06:22:50 UTC
Last updated: 08/28/2026, 02:55:30 UTC
Views: 19
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