Path Traversal in Miniorange Backup And Restore
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (31.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Miniorange Backup And Restore — versions 1.0.3
Weakness classification (CWE)
References
- ExploitDB-50503 (exploit)
- Official Product Homepage (product)
- Product Reference (product)
- VulnCheck Advisory: WordPress Plugin Backup and Restore 1.0.3 Arbitrary File Deletion (third-party-advisory)
Frequently asked questions
- What is CVE-2021-47979?
- CVE-2021-47979 is a high-severity vulnerability in Miniorange Backup And Restore, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-05-16.
- How severe is CVE-2021-47979?
- High severity. CVSS v3 base score is 8.8 out of 10.