Home/CVE/The Backup Migration plugin for WordPress is vulnerable to unauthorized access of data due to insufficient path and file
CVE

CVE-2023-6266

The Backup Migration plugin for WordPress is vulnerable to unauthorized access of data due to insufficient path and file

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.

HIGH · CVSS 7.5 EPSS 0.29457
Act now
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
CWE-552Files or Directories Accessible to External Parties
▤

Affected Products & Versions

1
backupbliss backup migration<= 1.3.6
⚠

Public Exploits & PoCs

1
nucleiWordPress Backup Migration <= 1.3.6 - Path Traversalhigh
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security@wordfence.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Jan 2024 · 09:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin