CVE-2021-47979

HIGH 8.8

WordPress Plugin Backup and Restore 1.0.3 Arbitrary File Deletion

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-22
Vendor	miniorange
Product	backup and restore
Published	May 16, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Miniorange / Backup and Restore

1.0.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Murat DEMIRCI (@butterflyhunt3r)