TI-2023-05754 Aliases CVE-2023-6266 GHSA-wqc2-2gpx-6j9r

Backup Migration <= 1.3.6 - Unauthenticated Arbitrary Backup Download to Sensitive Information Exposure

LOW 37CWE-200Published 2024-01-11 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.02055 81st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
inisev	BackupBliss – Backup & Migration with Free Cloud Storage	up to 1.3.6	—	No fix listed	CNA

BackupBliss – Backup & Migration with Free Cloud Storage Vendorinisev Affected up to 1.3.6 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:backupbliss:backup_migration::::::wordpress::*	up to 1.3.6	Vulnerable	migrate

cpe:2.3:a:backupbliss:backup_migration:*:*:*:*:*:wordpress:*:* Versions up to 1.3.6 Vulnerable ·migrate

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-6266
2026-10-03 Alias added: GHSA-wqc2-2gpx-6j9r

References

Advisory 1

https://www.wordfence.com/threat-intel/vulnerabilities/id/08801f53-3c57-41a3-a637-4b52637cc612?source=cve

Other 3

TI-2023-06004 Backup Migration <= 1.3.7 - Unauthenticated Remote Code Execution CVSS 3.1CRITICAL 9.8
TI-2024-00517 Enhanced Text Widget < 1.6.6 - Admin+ Stored XSS CVSS 3.1MEDIUM 6.5
TI-2023-01258 Redirection < 1.1.5 - Plugin Reset via CSRF CVSS 3.1MEDIUM 6.5
TI-2023-01257 Redirection < 1.1.4 - Redirect Creation via CSRF CVSS 3.1MEDIUM 6.5
TI-2024-00519 Ultimate Posts Widget < 2.3.1 - Admin+ Stored XSS CVSS 3.1MEDIUM 5.4
TI-2023-06399 Backup Migration <= 1.3.9 - Authenticated (Admin+) OS Command Injection via url CVSS 3.1HIGH 7.2

See all 26 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences