{"id":"CVE-2023-6266","aliases":["EUVD-2023-58511","GHSA-wqc2-2gpx-6j9r"],"status":"published","title":"Backup Migration \u003c= 1.3.6 - Unauthenticated Arbitrary Backup Download to Sensitive Information Exposure","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.02055,"percentile":0.81539,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-552"],"published":"2024-01-11T08:32:27Z","modified":"2026-06-17T06:50:25Z","exploits":[{"source":"nuclei","id":"CVE-2023-6266","title":"WordPress Backup Migration \u003c= 1.3.6 - Path Traversal","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-6266.yaml"}],"products":[{"vendor":"backupbliss","product":"backup_migration"},{"vendor":"inisev","product":"backupbliss – backup \u0026 migration with free cloud storage"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/08801f53-3c57-41a3-a637-4b52637cc612?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.5/includes/initializer.php#L972","tags":["x_transferred","Issue Tracking"]},{"url":"https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.5/includes/initializer.php#L1048","tags":["x_transferred","Issue Tracking"]},{"url":"https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.7/includes/initializer.php#L1065","tags":["x_transferred","Issue Tracking"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6266"},{"url":"https://github.com/advisories/GHSA-wqc2-2gpx-6j9r"}],"sources":{"cve":[{"id":"CVE-2023-6266","title":"Backup Migration \u003c= 1.3.6 - Unauthenticated Arbitrary Backup Download to Sensitive Information Exposure","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.","status":"published","published":"2024-01-11T08:32:27.689Z","modified":"2026-04-08T16:34:16.303Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:35:25.469654Z"}],"euvd":[{"id":"EUVD-2023-58511","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.","status":"published","published":"2024-01-11T08:32:27Z","modified":"2026-04-08T16:34:16Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T19:25:10.76969Z"}],"ghsa":[{"id":"GHSA-wqc2-2gpx-6j9r","title":"The Backup Migration plugin for WordPress is vulnerable to unauthorized access of data due to...","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.","status":"published","published":"2024-01-11T09:30:35Z","modified":"2026-04-08T18:32:29Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200","CWE-552"],"updated_at":"2026-11-02T15:07:12.812926Z"}],"nvd":[{"id":"CVE-2023-6266","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.","status":"published","published":"2024-01-11T09:15:48.047Z","modified":"2026-06-17T06:50:25.37Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-200","CWE-552"],"updated_at":"2026-11-02T14:09:00.788714Z"}]}}