CVE-2023-6971: backupbliss backup_migration

Vulnerability summary

CVE-2023-6971 is a critical (CVSS 9.8) vulnerability in backupbliss backup_migration. EPSS estimates a 6.42% chance of exploitation in the next 30 days, higher than 93.6% of scored vulnerabilities.

Timeline

1. 23-12-2023
   PublishedVulnerability first disclosed.
2. 02-08-2024
   Last modifiedVulnerability information updated.

Description

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.

• CWE-829Inclusion of Functionality from Untrusted Control SphereThe product imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.
• CWE-98Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')The PHP application receives input from an upstream component, but it does not restrict or incorrectly restricts the input before its usage in "require," "include," or similar functions.