Unauthenticated file read and deletion via path traversal
Published Jun 15, 2026 · Updated Jun 15, 2026
Path traversal in MyWebsiteAdvisor Simple Backup 2.7.11 allows remote attackers to read or delete server files without authentication. In the backup manager loaded by tools.php, delete_backup_file reaches unlink with an unchecked path, while download_backup_file strips only leading dots and slashes before readfile. The default enabled configuration exposes WordPress configuration, backups, and other readable files while permitting deletion of files writable by the web server.
Summary
What happened
Path traversal in MyWebsiteAdvisor Simple Backup 2.7.11 allows remote attackers to read or delete server files without authentication. In the backup manager loaded by tools.php, delete_backup_file reaches unlink with an unchecked path, while download_backup_file strips only leading dots and slashes before readfile. The default enabled configuration exposes WordPress configuration, backups, and other readable files while permitting deletion of files writable by the web server.
The record
- CVE
- CVE-2016-20076
- Published
- Jun 15, 2026
- Updated
- Jun 15, 2026
- Vendor
- MyWebsiteAdvisor
- Product
- Simple Backup
- Classifications
- CWE-22, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jun 15, 2026CVE publishedPublication date reported by the CVE source.
- Jun 15, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=2.7.11
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- WordPress Plugin Simple Backup 2.7.11 Multiple Vulnerabilitiesfunctional · demonstrated
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Technologies
Your stack
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Your stack
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