What the vulnerability does
01Description
The Backuply – Backup, Restore, Migrate and Clone plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the delete backup functionality in all versions up to, and including, 1.4.8. This makes it possible for authenticated attackers, with Administrator-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php).
Explanation of Vulnerability in Simple Terms
02Summary
Backuply versions up to 1.4.8 contain a path traversal vulnerability that allows high-privileged users to read, write, or delete files outside the intended backup directory. An attacker with administrative access can manipulate file paths to access sensitive system files or overwrite critical application data. This affects the integrity and availability of the entire site.
What an attacker can do
03Attacker Capabilities
Read, write, or delete files anywhere on the server filesystem outside the backup directory.
Potential impact on your site
04Site Impact
A compromised admin account can corrupt or delete critical site files, leading to data loss or site takeover.
Conditions required to exploit
05Prerequisites
Attacker must have high-level administrative privileges (e.g., admin account) and network access to the site.
Key dates
06Disclosure timeline
September 26, 2025
CVE published
April 8, 2026
Record updated
