The Backup Migration plugin for WordPress is vulnerable to Path Traversal in all versions up to, and including, 1.3.9 via the 'content-backups' and 'content-name', 'content-manifest', or 'content-bmitmp' and 'content-identy' HTTP headers. This makes it possible for unauthenticated attackers to delete arbitrary files, including the wp-config.php file, which can make site takeover and remote code execution possible.
CVE-2023-6972 is a critical severity with CVSS 9.8 Remote Code Execution issue affecting the Plugin Backup Migration. It affects Versions up to 1.3.9 and is fixed in 1.4.0.
Use the related hub and response guides to connect this CVE-2023-6972 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2023-6972 is tracked for the Plugin Backup Migration as critical severity with CVSS 9.8. The affected range is Versions up to 1.3.9. Update Backup Migration to 1.4.0 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions up to 1.3.9.
Confirm Backup Migration is updated to 1.4.0 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
backup-backup
View on wordpress.org
|
| CVE | CVE-2023-6972 |
| Patched Versions |
1.4.0
|
| Affected Versions |
Versions up to 1.3.9
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Backup Migration <= 1.3.7 - Unauthenticated Remote Code Execution
Backup Migration <= 1.3.5 - Unauthenticated Sensitive Information Exposure
Backup Migration <= 1.4.6 - Unauthenticated PHP Object Injection via 'recursive_unserialize_replace'
Backup Migration 1.0.8 - 1.3.9 - Remote File Inclusion via content-dir
Backup Migration <= 1.4.9 - Information Exposure to Unauthenticated Back-up Download
Backup Migration <= 1.3.6 - Unauthenticated Arbitrary Backup Download to Sensitive Information Exposure
Backup Migration <= 1.3.9 - Authenticated (Admin+) OS Command Injection via url
Backup Migration <= 1.1.5 - Authenticated (Admin+) Stored Cross-Site Scripting
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