The Simple Backup plugin for WordPress, a tool designed to help website administrators manage backups, has been found to have a serious security flaw. This vulnerability, identified as an Arbitrary File Download, could allow unauthorized individuals to access and download sensitive files directly from your WordPress site. Imagine critical files like your website’s configuration details or user data falling into the wrong hands – this vulnerability makes that a real possibility.
This issue stems from insufficient security checks within the plugin’s code, specifically in its `download_backup_file` function. It lacks proper validation to confirm who is requesting a file and what type of file they are trying to download. This oversight means an attacker could trick the plugin into giving them access to files they shouldn’t see, such as your `wp-config.php` file, which contains crucial database login credentials and other sensitive information.
CVE Details
Product: Simple Backup plugin for WordPress
Published: July 19, 2025
Severity: High
Status: Analyzed
Affected Products
The Simple Backup plugin for WordPress is vulnerable in all versions up to, and including, 2.7.10. If you are using any version within this range, your website is at risk.
Current Status
This vulnerability is currently in an “Analyzed” status, meaning it has been thoroughly investigated and its details confirmed by security researchers.
Severity Level
This vulnerability carries a High severity rating, with a CVSS score of 7.5. A high severity indicates that the flaw can be exploited relatively easily and has the potential for significant impact, such as unauthorized access to sensitive data and potential website compromise.
Possible Solutions
Given the nature of this Arbitrary File Download vulnerability, immediate action is crucial for all users of the Simple Backup plugin. The primary solution is to ensure you are running a secure version of the plugin or to discontinue its use if a patch is not available.
- Update Your Plugin: The most effective step is to update the Simple Backup plugin to the latest version. Developers usually release patches to fix known vulnerabilities. Always check the official WordPress plugin repository or the developer’s website for updates. It is highly probable that versions beyond 2.7.10 contain the necessary fixes.
- Disable or Remove: If an updated, patched version is not available, or if you no longer actively use the Simple Backup plugin, it is strongly recommended to disable and then completely remove it from your WordPress installation. This eliminates the attack vector entirely.
- Review File Permissions: As a general security best practice, regularly review and enforce strict file permissions on your WordPress installation, especially for sensitive files like `wp-config.php`. While this won’t prevent the plugin vulnerability directly, it adds an extra layer of defense.
- Regular Backups: Although this plugin is for backups, having an independent, secure backup solution in place is always wise to ensure you can restore your site in case of any compromise.
References
https://packetstormsecurity.com/files/131919/
https://www.wordfence.com/threat-intel/vulnerabilities/id/29482b70-0ff2-4bb1-9d41-9cffb83b5ad0?source=cve
