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CVE-2026-15012

MEDIUM 5.3 CVSS 3.1
Published
July 28, 2026
Last modified
July 28, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-200
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

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.

Affected WordPress components

  • Demi – One Click Demo Import, Backup & Site Migration Plugin · demi-backup-migration
    Confirmed match Active
    Up to and including 0.0.8
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • deveasel Demi – One Click Demo Import, Backup & Site Migration — Up to and including 0.0.8

References

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