CVE-2016-20076 HIGH

CVE-2016-20076: WordPress Simple-Backup 2.7.11 Arbitrary File Deletion and Download

Vendor Chrishurst
Product Simple Backup
Weakness CWE-22 · Path traversal
Published June 15, 2026
Last update June 15, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Explanation of Vulnerability in Simple Terms

02Summary

Simple Backup versions 2.7.11 and earlier contain a path traversal vulnerability that allows unauthenticated attackers to read arbitrary files from the server through specially crafted requests. An attacker can access sensitive files outside the intended backup directory, potentially exposing configuration files, database credentials, or other confidential data stored on the server.

What an attacker can do

03Attacker Capabilities

Read arbitrary files from the server without authentication.

Potential impact on your site

04Site Impact

Attackers can access sensitive files like wp-config.php, database backups, or private keys without logging in.

Conditions required to exploit

05Prerequisites

Network access to the vulnerable Simple Backup installation; no authentication or user interaction required.

Key dates

06Disclosure timeline

June 15, 2026 CVE published
June 15, 2026 Record updated

Related vulnerabilities

08Related CVE