CVE-2021-47979

WordPress Plugin Backup and Restore 1.0.3 Arbitrary File Deletion

Published May 16, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wpbackitup
Wpbackitup backup And Restore Wordpress
CPEs cpe:2.3:a:wpbackitup:backup_and_restore_wordpress:1.0.3:*:*:*:*:wordpress:*:*
Vendors & Products Wpbackitup
Wpbackitup backup And Restore Wordpress
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Miniorange
Miniorange backup And Restore
Wordpress
Wordpress wordpress
Vendors & Products Miniorange
Miniorange backup And Restore
Wordpress
Wordpress wordpress
Type Values Removed Values Added
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.
Title WordPress Plugin Backup and Restore 1.0.3 Arbitrary File Deletion
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jul 15, 2026, 1:24 AM
Reserved
May 16, 2026, 2:51 PM
Status
Deferred
Published
May 16, 2026, 4:16 PM
Modified
Jun 17, 2026, 4:18 AM