Backup Migration <= 1.3.9 - Unauthenticated Path Traversal to Arbitrary File Deletion

9.8
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVE CVE-2023-6972
CVSS 9.8 (Critical)
Publicly Published December 22, 2023
Last Updated April 15, 2024
Researcher Hiroho Shimada - NFlabs.

Description

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.

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1 affected software package

Software Type Plugin
Software Slug backup-backup (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.4.0, or a newer patched version
Affected Version
  • <= 1.3.9
Patched Version
  • 1.4.0

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