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Vulnerabilities

CVE-2021-47926

Medium
CWE-79 — Weakness Type
Published: May 10, 2026  ·  Modified: May 13, 2026  ·  Source: NVD
CVSS v3
6.4
🔗 NVD Official
📄 Description (English)

Contact Form to Email 1.3.24 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by creating forms with script tags in the form name field. Attackers can craft form names containing JavaScript code that executes when other logged-in users access the form management page, enabling session hijacking or credential theft.

🤖 AI Executive Summary

CVE-2021-47926 is a stored XSS vulnerability in Contact Form to Email 1.3.24 affecting authenticated users. Attackers can inject malicious JavaScript through form name fields that executes when administrators access the form management interface, potentially leading to session hijacking and credential theft. With no available patch and medium CVSS score of 6.4, this poses a moderate but persistent risk to organizations using this plugin.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 13, 2026 11:19
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi government agencies, educational institutions, and private sector organizations using WordPress-based contact management systems. Government entities (NCA, CITC) and healthcare providers relying on Contact Form to Email for citizen/patient communications face elevated risk of administrative account compromise. Banking and financial services sectors using this plugin for customer inquiries could experience credential theft affecting SAMA-regulated operations. The vulnerability is particularly concerning for organizations managing sensitive citizen data or financial information through web forms.
🏢 Affected Saudi Sectors
Government Healthcare Education Banking and Financial Services Telecommunications E-commerce
⚖️ Saudi Risk Score (AI)
6.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Audit all Contact Form to Email 1.3.24 installations across your infrastructure
2. Review form management access logs for suspicious activity or unauthorized form creation
3. Disable the plugin immediately if not actively required for business operations
4. Force password reset for all administrative accounts that accessed form management pages
5. Implement Web Application Firewall (WAF) rules to block script tag injection in form submissions

Compensating Controls:
1. Restrict form management page access to specific IP ranges using .htaccess or WAF
2. Implement Content Security Policy (CSP) headers to prevent inline script execution
3. Enable WordPress security plugins with XSS detection capabilities
4. Conduct regular security audits of form submissions and stored data
5. Monitor admin activity logs for unauthorized form modifications
6. Implement multi-factor authentication for all WordPress administrative accounts

Detection Rules:
1. Monitor for POST requests to form creation endpoints containing <script> tags
2. Alert on form names containing JavaScript event handlers (onclick, onerror, onload)
3. Track administrative access to form management pages outside business hours
4. Flag any form modifications by non-standard administrative accounts
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تدقيق جميع تثبيتات Contact Form to Email 1.3.24 عبر البنية التحتية الخاصة بك
2. مراجعة سجلات الوصول لصفحة إدارة النماذج للبحث عن نشاط مريب أو إنشاء نماذج غير مصرح به
3. تعطيل المكون الإضافي فوراً إذا لم يكن مطلوباً بشكل نشط للعمليات التجارية
4. فرض إعادة تعيين كلمة المرور لجميع حسابات المسؤولين التي وصلت إلى صفحات إدارة النماذج
5. تنفيذ قواعد جدار الحماية لتطبيقات الويب (WAF) لحظر حقن علامات البرنامج النصي

الضوابط التعويضية:
1. تقييد الوصول إلى صفحة إدارة النماذج لنطاقات IP محددة باستخدام .htaccess أو WAF
2. تنفيذ رؤوس سياسة أمان المحتوى (CSP) لمنع تنفيذ البرامج النصية المضمنة
3. تفعيل مكونات أمان WordPress مع قدرات كشف XSS
4. إجراء عمليات تدقيق أمان منتظمة لتقديمات النماذج والبيانات المخزنة
5. مراقبة سجلات نشاط المسؤول للبحث عن تعديلات نماذج غير مصرح بها
6. تنفيذ المصادقة متعددة العوامل لجميع حسابات WordPress الإدارية

قواعد الكشف:
1. مراقبة طلبات POST إلى نقاط نهاية إنشاء النماذج التي تحتوي على علامات <script>
2. تنبيه أسماء النماذج التي تحتوي على معالجات أحداث JavaScript (onclick, onerror, onload)
3. تتبع الوصول الإداري إلى صفحات إدارة النماذج خارج ساعات العمل
4. وضع علامة على أي تعديلات نماذج بواسطة حسابات إدارية غير قياسية
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.14.2.1 - Information security requirements for supplier relationships ECC 2024 A.5.23 - Access control to information and other assets ECC 2024 A.14.2.5 - Addressing information security in supplier agreements
🔵 SAMA CSF
SAMA CSF ID.BE-1 - Business objectives and strategies SAMA CSF PR.AC-1 - Access control policy and procedures SAMA CSF PR.PT-1 - Security awareness and training program SAMA CSF DE.CM-1 - Detection and analysis of anomalies
🟡 ISO 27001:2022
ISO 27001:2022 A.5.15 - Access control ISO 27001:2022 A.5.16 - Authentication ISO 27001:2022 A.8.22 - Information security for supplier relationships ISO 27001:2022 A.8.32 - Change management
🟣 PCI DSS v4.0.1
PCI DSS 6.5.7 - Cross-site scripting prevention PCI DSS 6.2 - Security patches and updates PCI DSS 7.1 - Access control implementation
📊 CVSS Score
6.4
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeC — Changed
ConfidentialityL — Low / Local
IntegrityL — Low / Local
AvailabilityN — None / Network
📋 Quick Facts
Severity Medium
CVSS Score6.4
CWECWE-79
EPSS0.03%
Exploit No
Patch ✗ No
Published 2026-05-10
Source Feed nvd
🇸🇦 Saudi Risk Score
6.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-79
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