CVE-2021-47979 WordPress Plugin Backup and Restore 1.0.3 Arbitrary File Deletion
Authenticated attackers can delete arbitrary files from the WordPress installation directory by manipulating AJAX request parameters.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-47979?
CVE-2021-47979 is a high-severity path traversal vulnerability in Miniorange Backup and Restore, published on 16 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
WordPress Plugin Backup and Restore 1.0.3 contains an arbitrary file deletion vulnerability that allows authenticated attackers to delete files by manipulating parameters in AJAX requests. Attackers can send POST requests to admin-ajax.php with crafted file_name and folder_name parameters to delete arbitrary files from the WordPress installation directory.
Weakness: CWE-22
Which versions are affected by CVE-2021-47979?
How do I fix CVE-2021-47979?
No fix has been published for CVE-2021-47979 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-47979 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47979 exists.
Sources
Also known as GHSA-jg68-hr29-3cm4.