CVE-2021-47979

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.

Score

CVSS 3.1 8.8 High

Status

Deferred - disclosure@vulncheck.com

Published

2026-05-16

Last modified

2026-07-15

Weaknesses

CWE-22

Affected products

• Backup And Restore Wordpress (Wpbackitup)

References

• https://wordpress.org/plugins/backup-and-restore-for-wp/
• https://www.exploit-db.com/exploits/50503
• https://www.miniorange.com/
• https://www.vulncheck.com/advisories/wordpress-plugin-backup-and-restore-arbitrary-file-deletion