📄 Description (English)
MDwiki contains a cross-site scripting vulnerability that allows remote attackers to execute arbitrary JavaScript by injecting malicious code through the location hash parameter. Attackers can craft URLs with JavaScript payloads in the hash fragment that are parsed and rendered without sanitization, causing the injected scripts to execute in the victim's browser context.
🤖 AI Executive Summary
CVE-2017-20239 is a stored/reflected cross-site scripting (XSS) vulnerability in MDwiki affecting the location hash parameter. Attackers can craft malicious URLs with JavaScript payloads that execute in victim browsers without sanitization. With a CVSS score of 6.1 and no available patch, this vulnerability poses a medium risk to organizations using MDwiki for documentation or knowledge management systems.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 23, 2026 03:41
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations using MDwiki for internal documentation, knowledge bases, or public-facing wikis are at risk. Primary impact sectors include: Government agencies (NCA, CITC) using MDwiki for policy documentation; Banking sector (SAMA-regulated institutions) if used for internal knowledge management; Healthcare organizations (MOH) for medical documentation; Telecommunications (STC, Mobily) for technical documentation; and Educational institutions. The vulnerability enables credential theft, session hijacking, malware distribution, and defacement of internal documentation systems.
🏢 Affected Saudi Sectors
Government
Banking
Healthcare
Telecommunications
Education
Energy
Technology Services
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
5.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Audit all MDwiki instances in your environment and document their locations and criticality
2. Implement Web Application Firewall (WAF) rules to detect and block JavaScript payloads in URL hash parameters
3. Disable or restrict access to MDwiki instances not critical to operations
4. Educate users not to click on suspicious MDwiki links from untrusted sources
Compensating Controls:
1. Deploy Content Security Policy (CSP) headers: Content-Security-Policy: script-src 'self'; object-src 'none'
2. Implement input validation and output encoding at the application level if source code access available
3. Use browser security extensions that block inline scripts
4. Monitor for XSS attack patterns in web logs and WAF logs
5. Implement HTTP-only and Secure flags on session cookies
Long-term:
1. Migrate to actively maintained documentation platforms (Confluence, GitBook, Sphinx)
2. If continuing MDwiki use, apply manual code review and patching of hash parameter handling
3. Implement regular security scanning with OWASP ZAP or Burp Suite
4. Establish incident response procedures for XSS exploitation attempts
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تدقيق جميع نسخ MDwiki في بيئتك وتوثيق مواقعها وأهميتها
2. تطبيق قواعد جدار حماية تطبيقات الويب (WAF) للكشف عن حمولات JavaScript في معاملات hash URL
3. تعطيل أو تقييد الوصول إلى نسخ MDwiki غير الحرجة للعمليات
4. تثقيف المستخدمين بعدم النقر على روابط MDwiki المريبة من مصادر غير موثوقة
الضوابط التعويضية:
1. نشر رؤوس سياسة أمان المحتوى (CSP): Content-Security-Policy: script-src 'self'; object-src 'none'
2. تطبيق التحقق من الإدخال وترميز الإخراج على مستوى التطبيق إذا كان الوصول إلى الكود المصدري متاحاً
3. استخدام امتدادات أمان المتصفح التي تحظر البرامج النصية المضمنة
4. مراقبة أنماط هجمات XSS في سجلات الويب وسجلات WAF
5. تطبيق أعلام HTTP-only و Secure على ملفات تعريف الجلسة
المدى الطويل:
1. الهجرة إلى منصات توثيق يتم صيانتها بنشاط (Confluence, GitBook, Sphinx)
2. إذا استمرت استخدام MDwiki، تطبيق مراجعة الكود اليدوية وتصحيح معالجة معاملات hash
3. تطبيق المسح الأمني المنتظم باستخدام OWASP ZAP أو Burp Suite
4. إنشاء إجراءات الاستجابة للحوادث لمحاولات استغلال XSS
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.14.2.1 - Secure development policy and procedures
ECC 2024 A.14.2.5 - Secure development environment
ECC 2024 A.14.3.1 - Testing of security functionality
ECC 2024 A.6.2.1 - User registration and access rights management
🔵 SAMA CSF
SAMA CSF 2.1 - Information Security Governance
SAMA CSF 3.2 - Application Security
SAMA CSF 3.3 - Data Protection and Privacy
SAMA CSF 4.1 - Vulnerability Management
🟡 ISO 27001:2022
ISO 27001:2022 A.8.1 - User endpoint devices
ISO 27001:2022 A.8.3 - Access control
ISO 27001:2022 A.14.2 - Secure development
ISO 27001:2022 A.14.3 - Security testing
🟣 PCI DSS v4.0.1
PCI DSS 6.5.7 - Cross-site scripting (XSS)
PCI DSS 6.5.1 - Injection flaws
PCI DSS 6.2 - Security patches and updates