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CVE-2023-6972

CriticalPublished

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

Published: Dec 23, 2023
Updated: Apr 8, 2026
Assigning CNA: Wordfence
Evidence observed: Aug 8, 2026

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

1.4%

Low · next 30 days

Percentile: 70.5%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

CVE-2023-6972-Exploit-Arbitrary-File-DeletionExploit
This repository contains a Proof of Concept (PoC) exploit for CVE-2023-6972.

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