Backup Migration 1.0.8 - 1.3.9 - Remote File Inclusion via content-dir

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
CVE CVE-2023-6971
CVSS 8.1 (High)
Publicly Published December 22, 2023
Last Updated December 23, 2023
Researcher Hiroho Shimada


The Backup Migration plugin for WordPress is vulnerable to Remote File Inclusion in versions 1.0.8 to 1.3.9 via the 'content-dir' HTTP header. This makes it possible for unauthenticated attackers to include remote files on the server, resulting in code execution. NOTE: Successful exploitation of this vulnerability requires that the target server's php.ini is configured with 'allow_url_include' set to 'on'. This feature is deprecated as of PHP 7.4 and is disabled by default, but can still be explicitly enabled in later versions of PHP.



Vulnerability Details for Backup Migration

Software Type Plugin
Software Slug backup-backup (view on
Patched? Yes
Remediation Update to version 1.4.0, or a newer patched version
Affected Version
  • 1.0.8 - 1.3.9
Patched Version
  • 1.4.0

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