CVE-2023-6266
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 2.05% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200, CWE-552
- Affected
- backupbliss/backup migration
- Source
- security@wordfence.com
References
- https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.5/includes/initializer.php#L1048Issue Tracking
- https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.5/includes/initializer.php#L972Issue Tracking
- https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.7/includes/initializer.php#L1065Issue Tracking
- https://www.wordfence.com/threat-intel/vulnerabilities/id/08801f53-3c57-41a3-a637-4b52637cc612?source=cveThird Party Advisory
- https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.5/includes/initializer.php#L1048Issue Tracking
- https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.5/includes/initializer.php#L972Issue Tracking
- https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.7/includes/initializer.php#L1065Issue Tracking
- https://www.wordfence.com/threat-intel/vulnerabilities/id/08801f53-3c57-41a3-a637-4b52637cc612?source=cveThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.