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High severity · published Jan 11, 2024
CVE-2023-6266
Backup Migration <= 1.3.6 - Unauthenticated Arbitrary Backup Download to Sensitive Information Exposure
7.5
CVSS
2.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BB
BackupBliss – Backup & Migration with Free Cloud Storage · inisev
through 1.3.6 · source: vendor
BM
Backup Migration · Backupbliss
through 1.3.6 · source: NVD
Affected product
BB
BackupBliss – Backup & Migration with Free Cloud Storage
inisev
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6266
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6266
Issue Tracking
https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.5/includes/initializer.php#L1048
Issue Tracking
https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.5/includes/initializer.php#L972
Issue Tracking
https://plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.7/includes/initializer.php#L1065
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/08801f53-3c57-41a3-a637-4b52637cc612?source=cve
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