CVE-2026-15012

The Demi – One Click Demo Import, WP Backup & Site Migration plugin for WordPress is vulnerable to Arbitrary Directory Copy in all versions up to, and including, 0.0.8 via the handle_restore_step function. This is due to missing HTTP access controls on the wp-content/uploads/demi-backup-state/ directory, which exposes the cryptographic restore key used to both authenticate the unauthenticated AJAX handler and forge signed restore-state envelopes. This makes it possible for unauthenticated attackers to copy arbitrary files to attacker-controlled destinations on the server. An active restore operation must have been initiated, which writes the .restore_key and .restore_step_token files to the public upload directory, before the exposed secrets can be harvested and chained to achieve unauthenticated arbitrary file copy.

• CWE-200

• https://plugins.trac.wordpress.org/browser/demi-backup-migration/tags/0.0.6/classes/Import/Manager.php#L287
• https://plugins.trac.wordpress.org/browser/demi-backup-migration/tags/0.0.6/classes/Import/Manager.php#L460
• https://plugins.trac.wordpress.org/browser/demi-backup-migration/tags/0.0.6/classes/Import/Manager.php#L50
• https://plugins.trac.wordpress.org/browser/demi-backup-migration/tags/0.0.6/classes/Import/Tasks/RestoreFiles.php#L168
• https://plugins.trac.wordpress.org/browser/demi-backup-migration/tags/0.0.6/includes/helper-functions.php#L55
• https://plugins.trac.wordpress.org/browser/demi-backup-migration/trunk/classes/Import/Manager.php#L287
• https://plugins.trac.wordpress.org/browser/demi-backup-migration/trunk/classes/Import/Manager.php#L460
• https://plugins.trac.wordpress.org/browser/demi-backup-migration/trunk/classes/Import/Manager.php#L50
• https://plugins.trac.wordpress.org/browser/demi-backup-migration/trunk/classes/Import/Tasks/RestoreFiles.php#L168
• https://plugins.trac.wordpress.org/browser/demi-backup-migration/trunk/includes/helper-functions.php#L55
• https://plugins.trac.wordpress.org/changeset?reponame=&old=3616690%40demi-backup-migration&new=3616690%40demi-backup-migration
• https://www.wordfence.com/threat-intel/vulnerabilities/id/61ee1857-aa85-4d37-a347-a1f59c95cbff?source=cve

Published

Jul 28, 2026

Last Modified

Jul 28, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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