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Description

The All-in-One WP Migration Unlimited Extension plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 2.83. This is due to the 'Ai1wmve_Schedules_Controller::save' handler for 'admin_post_ai1wm_schedule_event_save' not verifying user capabilities before saving schedule data. This makes it possible for authenticated attackers, with subscriber-level access and above, to create scheduled export jobs and send backup notifications to attacker-controlled email addresses. Because such notifications include the random backup filename, full site backups can subsequently be downloaded from the target site, resulting in sensitive information exposure.

PUBLISHED Reserved 2026-04-07 | Published 2026-05-06 | Updated 2026-05-06 | Assigner Wordfence




MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Problem types

CWE-862 Missing Authorization

Product status

Default status
unaffected

Any version
affected

Timeline

2026-04-15:Vendor Notified
2026-05-05:Disclosed

Credits

Sélim Lanouar finder

References

www.wordfence.com/...-c124-49be-b9d1-7bc5abe7cbda?source=cve

help.servmask.com/...edgebase/unlimited-extension-changelog/

cve.org (CVE-2026-5753)

nvd.nist.gov (CVE-2026-5753)

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