CVE-2026-81810

High

Description

The All-in-One WP Migration and Backup WordPress plugin before 7.111 does not perform any capability check on several of its AJAX actions, gating them only on an installation-wide secret which it discloses to any user permitted to export the site, allowing such a user to import an arbitrary site archive and gain administrator access. Exploitation requires an administrator to have granted the export capability to a role that does not hold the All-in-One WP Migration and Backup WordPress plugin before 7.111's own import capability, which is not a default configuration.

SeverityHigh
CVSS7.2
Exploit probability—
ProductAll-in-One WP Migration and Backup
PublishedSep 18, 2026
First seenSep 18, 2026

How to fix

Update
  • All-in-One WP Migration and Backup7.111 or later

Affected products

ProductAffected versionsFixed in
All-in-One WP Migration and Backupv < 7.1117.111

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