CVE-2021-47979

high

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.

References

https://www.vulncheck.com/advisories/wordpress-plugin-backup-and-restore-arbitrary-file-deletion

https://www.miniorange.com/

https://www.exploit-db.com/exploits/50503

https://wordpress.org/plugins/backup-and-restore-for-wp/

Details

Source: Mitre, NVD

Published: 2026-05-16

Updated: 2026-05-16

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

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

Severity: High

CVSS v4

Base Score: 8.7

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: High