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Vulnerabilities

Vulnerability · CVE-2023-6266

backupbliss backup_migration Exposure of Sensitive Information to an Unauthorized Actor

Published Jun 3, 2024 · catalog updated Jun 3, 2024 · backupbliss backup_migration Exposure of

Patch now

CVE-2023-6266 is in the CISA known-exploited catalog. Confirm backupbliss backup_migration Exposure of against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (backupbliss backup_migration Exposure of).
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
2.05%
Remediation
Remediation guidance
Affected products
stated backup_migration · vendor backupbliss backup_migration

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated backup_migration<= 1.3.6
  • vendor backupbliss backup_migrationversion unspecified

How to fix CVE-2023-6266

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-6266 is in the CISA known-exploited catalog. Confirm backupbliss backup_migration Exposure of against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with <= 1.3.6. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 2.05%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 3, 2024 · VulnCheck KEV

    Detected

    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 credenti

  2. Jun 3, 2024 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2023-6266

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-6266

    30-day exploitation probability 2.1%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-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. This makes it possible for unauthenticated at

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.