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CVE-2023-6266

HIGH 7.5 CVSS 3.1
Published
January 11, 2024
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-200, CWE-552
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

The Backup Migration plugin for WordPress is vulnerable to unauthorized access of data due to insufficient path and file validation on the BMI_BACKUP case of the handle_downloading function in all versions up to, and including, 1.3.6. This makes it possible for unauthenticated attackers to download back-up files which can contain sensitive information such as user passwords, PII, database credentials, and much more.

Affected WordPress components

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

  • inisev BackupBliss – Backup & Migration with Free Cloud Storage — Up to and including 1.3.6
  • backupbliss backup_migration — Up to and including 1.3.6

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.5/includes/initializer.php#L1048 Issue Tracking
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.5/includes/initializer.php#L972 Issue Tracking
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.7/includes/initializer.php#L1065 Issue Tracking
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/08801f53-3c57-41a3-a637-4b52637cc612?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record