WordPress Plugin Vulnerabilities

JetBackup 3.1.18.8 - 3.1.23.3 - Admin+ Multisite Network Backup Download

Description

The plugin 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.

Proof of Concept

Affects Plugins

Fixed in 3.1.23.5

References

Classification

Type
INCORRECT AUTHORISATION
CWE

Miscellaneous

Original Researcher
Akshat Parikh (SN1PER)
Submitter
Akshat Parikh (SN1PER)
Submitter website
Submitter twitter
Verified
Yes

Timeline

Publicly Published
2026-08-25 (about 3 days ago)
Added
2026-08-25 (about 2 days ago)
Last Updated
2026-08-25 (about 2 days ago)

Other