Path Traversal in Backupbliss Backup Migration
CVE-2023-6972
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: -0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/0a3ae696-f67d-4ed2-b307-d2f36… (Patch, Third Party Advisory)
- plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.9/includes/backup-hea… (Patch)
- plugins.trac.wordpress.org/browser/backup-backup/tags/1.3.9/includes/bypasser.p… (Patch)
- plugins.trac.wordpress.org/changeset/3012745/backup-backup (Patch)
Frequently asked questions
- What is CVE-2023-6972?
- CVE-2023-6972 is a critical-severity vulnerability in Backupbliss Backup Migration, classified under Path Traversal. CVSS score: 9.8/10. Published 2023-12-23.
- How severe is CVE-2023-6972?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-6972 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.