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4.4 Medium

CVE-2026-19454 The JetBackup WordPress plugin before 3.1.23.5 does not perform its multisite authorisation check before serving backup…

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 and versions

Product Affected versions Fixed in
JetBackup 3.1 3.1.18.8 → < 3.1.23.5 3.1.23.5

Other CVEs of JetBackup

The 3 CVEs of JetBackup →
CVE-2026-19453 The JetBackup WordPress plugin before 3.1.23.5 does not verify the role or capabilities of the account it preserves… 7.1 High CVE-2023-7165 The JetBackup WordPress plugin before 2.0.9.9 doesn't use index files to prevent public directory listing of sensitive… 7.5 High
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