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Global phishing Cross-sector HIGH 4h Global vulnerability Enterprise Software / ERP Systems CRITICAL 25m Global vulnerability IT Infrastructure CRITICAL 1h Global vulnerability Technology and Software Development HIGH 2h Global vulnerability Enterprise IT and Government CRITICAL 2h Global ransomware Multiple Sectors / Enterprise CRITICAL 3h Global general Technology and Legal MEDIUM 3h Global ransomware Financial Services / Cryptocurrency CRITICAL 4h Global general Industrial Control Systems / Operational Technology HIGH 5h Global apt Managed Service Providers (MSPs) / IT Services HIGH 6h Global phishing Cross-sector HIGH 4h Global vulnerability Enterprise Software / ERP Systems CRITICAL 25m Global vulnerability IT Infrastructure CRITICAL 1h Global vulnerability Technology and Software Development HIGH 2h Global vulnerability Enterprise IT and Government CRITICAL 2h Global ransomware Multiple Sectors / Enterprise CRITICAL 3h Global general Technology and Legal MEDIUM 3h Global ransomware Financial Services / Cryptocurrency CRITICAL 4h Global general Industrial Control Systems / Operational Technology HIGH 5h Global apt Managed Service Providers (MSPs) / IT Services HIGH 6h Global phishing Cross-sector HIGH 4h Global vulnerability Enterprise Software / ERP Systems CRITICAL 25m Global vulnerability IT Infrastructure CRITICAL 1h Global vulnerability Technology and Software Development HIGH 2h Global vulnerability Enterprise IT and Government CRITICAL 2h Global ransomware Multiple Sectors / Enterprise CRITICAL 3h Global general Technology and Legal MEDIUM 3h Global ransomware Financial Services / Cryptocurrency CRITICAL 4h Global general Industrial Control Systems / Operational Technology HIGH 5h Global apt Managed Service Providers (MSPs) / IT Services HIGH 6h
Vulnerabilities

CVE-2021-47979

High
CWE-22 — Weakness Type
Published: May 16, 2026  ·  Modified: May 23, 2026  ·  Source: NVD
CVSS v3
8.8
🔗 NVD Official
📄 Description (English)

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.

🤖 AI Executive Summary

WordPress Plugin Backup and Restore version 1.0.3 contains an arbitrary file deletion vulnerability allowing authenticated attackers to delete files via manipulated AJAX requests. Attackers can exploit crafted parameters in POST requests to admin-ajax.php to remove critical WordPress files.

📄 Description (Arabic)

تحتوي إضافة ووردبريس Backup and Restore الإصدار 1.0.3 على ثغرة تسمح للمهاجمين المصرح لهم بحذف الملفات التعسفية من خلال معالجات AJAX. يمكن للمهاجمين إرسال طلبات POST إلى admin-ajax.php مع معاملات file_name و folder_name مزيفة لحذف الملفات الحرجة.

🤖 ملخص تنفيذي (AI)

WordPress Plugin Backup and Restore version 1.0.3 contains an arbitrary file deletion vulnerability allowing authenticated attackers to delete files via manipulated AJAX requests. Attackers can exploit crafted parameters in POST requests to admin-ajax.php to remove critical WordPress files.

🤖 AI Intelligence Analysis Analyzed: May 20, 2026 19:25
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
government banking telecom healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.0
/ 10.0
🔧 Remediation Steps (English)
Immediately update the Backup and Restore plugin to a patched version beyond 1.0.3. If no patch is available, disable or remove the plugin. Implement strict file permission controls, restrict AJAX endpoint access, and monitor admin-ajax.php requests for suspicious file_name and folder_name parameters.
🔧 خطوات المعالجة (العربية)
قم بتحديث إضافة النسخ الاحتياطية واستعادة إلى إصدار مصحح فوراً. إذا لم يكن هناك تصحيح متاح، قم بتعطيل أو إزالة الإضافة. طبق صلاحيات ملفات صارمة وقيد الوصول إلى نقاط نهاية AJAX ومراقبة طلبات admin-ajax.php للكشف عن معاملات مريبة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.7.1.1 A.12.2.1 A.14.2.1
🔵 SAMA CSF
ID.AM-2 PR.AC-1 PR.PT-2
🟡 ISO 27001:2022
A.6.1.1 A.9.2.1 A.12.4.1
📊 CVSS Score
8.8
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score8.8
CWECWE-22
EPSS0.05%
Exploit No
Patch ✗ No
Published 2026-05-16
Source Feed nvd
🇸🇦 Saudi Risk Score
8.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-22
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