Path Traversal in Chrishurst Simple Backup
CVE-2016-20076
WordPress Simple-Backup 2.7.11 contains multiple vulnerabilities that allow unauthenticated attackers to delete arbitrary files and download sensitive files by manipulating the delete_backup_file and download_backup_file parameters in tools.php. Attackers can exploit insufficient input validation using directory traversal techniques to access wp-config.php, database dumps, and other sensitive files, or delete critical files .htaccess to expose backup directories.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (46.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Chrishurst Simple Backup — versions 2.7.11
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/39883 (exploit)
- www.vulncheck.com/advisories/wordpress-simple-backup-arbitrary-file-deletion-an… (third-party-advisory)
Frequently asked questions
- What is CVE-2016-20076?
- CVE-2016-20076 is a high-severity vulnerability in Chrishurst Simple Backup, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-06-15.
- How severe is CVE-2016-20076?
- High severity. CVSS v3 base score is 7.5 out of 10.