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CVE-2026-19454mediumCWE-863

JetBackup 3.1.18.8 - 3.1.23.3 - Admin+ Multisite Network Backup Download

33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 4.4epss 0.3%
exploitation probability
0.3%top 83% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
Affected products
Unknown · JetBackup
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.