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Vulnerability record · CVE-2021-47979 · published 16 May 2026

CVE-2021-47979: Path traversal vulnerability

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.

8.7 CVSS 4.0 High EPSS 0.40% · top 68.7% CWE-22 · Path traversal Deferred
8.7CVSS 4.0 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-47979), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.