📄 Description (English)
4images 1.9 contains a remote command execution vulnerability that allows authenticated administrators to inject reverse shell code through template editing functionality. Attackers can save malicious code in the template and execute arbitrary commands by accessing a specific categories.php endpoint with a crafted cat_id parameter.
🤖 AI Executive Summary
CVE-2022-50806 is a critical remote command execution vulnerability in 4images 1.9 that allows authenticated administrators to inject and execute arbitrary commands through template editing functionality. The vulnerability exploits unsafe code injection in the categories.php endpoint, enabling attackers with admin privileges to gain complete system control. With public exploits available and widespread use of 4images in content management systems across the Middle East, immediate patching is essential.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 8, 2026 01:19
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations using 4images for content management—particularly government agencies, educational institutions, and media organizations—face significant risk. The vulnerability is particularly concerning for ARAMCO and energy sector subsidiaries that may use 4images for internal portals. Government entities under NCA oversight and SAMA-regulated financial institutions hosting customer-facing content management systems are at elevated risk. Compromised admin accounts could lead to data exfiltration, malware distribution, and system takeover affecting critical infrastructure.
🏢 Affected Saudi Sectors
Government and Public Administration
Banking and Financial Services
Healthcare and Medical Institutions
Energy and Utilities (ARAMCO subsidiaries)
Telecommunications (STC, Mobily)
Education and Universities
Media and Publishing
E-commerce and Retail
🎯 MITRE ATT&CK Techniques
T1190 - Exploit Public-Facing Application
T1059 - Command and Scripting Interpreter
T1059.004 - Unix Shell
T1098 - Account Manipulation
T1098.002 - Additional Cloud Credentials
T1547 - Boot or Logon Autostart Execution
T1543 - Create or Modify System Process
T1133 - External Remote Services
T1021 - Remote Services
T1021.004 - SSH
⚖️ Saudi Risk Score (AI)
8.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all 4images 1.9 installations across your infrastructure using network scanning tools
2. Restrict admin panel access to trusted IP ranges only
3. Implement Web Application Firewall (WAF) rules to block suspicious cat_id parameters in categories.php
4. Monitor admin account activity and template modifications in real-time
5. Disable template editing functionality if not actively used
PATCHING:
1. Upgrade 4images to version 1.9.1 or later immediately
2. If upgrade is not immediately possible, apply vendor security patches
3. Test patches in staging environment before production deployment
COMPENSATING CONTROLS:
1. Implement strict input validation and output encoding for all template parameters
2. Use PHP disable_functions directive to restrict dangerous functions (exec, system, passthru, shell_exec)
3. Run 4images under a dedicated low-privilege user account
4. Enable PHP open_basedir restrictions
5. Implement code integrity monitoring for template files
DETECTION:
1. Monitor for POST requests to categories.php with suspicious cat_id values containing shell metacharacters
2. Alert on any modifications to template files outside scheduled maintenance windows
3. Log and review all admin panel access attempts
4. Search logs for reverse shell indicators: nc, bash -i, /dev/tcp patterns
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع تثبيتات 4images 1.9 عبر البنية التحتية الخاصة بك باستخدام أدوات المسح
2. تقييد الوصول إلى لوحة المسؤول للنطاقات الموثوقة فقط
3. تنفيذ قواعد جدار حماية تطبيقات الويب لحظر معاملات cat_id المريبة في categories.php
4. مراقبة نشاط حساب المسؤول وتعديلات القوالب في الوقت الفعلي
5. تعطيل وظيفة تحرير القوالب إذا لم تكن قيد الاستخدام النشط
التصحيح:
1. ترقية 4images إلى الإصدار 1.9.1 أو أحدث على الفور
2. إذا لم يكن الترقية ممكنة على الفور، قم بتطبيق تصحيحات الأمان من المورد
3. اختبر التصحيحات في بيئة التجريب قبل نشرها في الإنتاج
الضوابط البديلة:
1. تنفيذ التحقق الصارم من المدخلات والترميز الآمن للمخرجات لجميع معاملات القوالب
2. استخدام توجيه PHP disable_functions لتقييد الوظائف الخطرة
3. تشغيل 4images تحت حساب مستخدم مخصص منخفض الامتيازات
4. تفعيل قيود PHP open_basedir
5. تنفيذ مراقبة سلامة الأكواد لملفات القوالب
الكشف:
1. مراقبة طلبات POST إلى categories.php بقيم cat_id مريبة تحتوي على أحرف shell
2. التنبيه على أي تعديلات على ملفات القوالب خارج نوافذ الصيانة المجدولة
3. تسجيل ومراجعة جميع محاولات الوصول إلى لوحة المسؤول
4. البحث في السجلات عن مؤشرات reverse shell
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information security policies and procedures
A.5.2.1 - User access management and authentication
A.5.3.1 - Access control implementation
A.5.4.1 - Cryptography and secure communications
A.6.2.1 - System hardening and configuration management
A.6.5.1 - Logging and monitoring
A.7.1.1 - Incident management procedures
🔵 SAMA CSF
Governance - Security policies and procedures
Identify - Asset management and vulnerability management
Protect - Access control and authentication
Detect - Monitoring and logging
Respond - Incident response procedures
🟡 ISO 27001:2022
A.5.1.1 - Policies for information security
A.5.2.1 - Information security roles and responsibilities
A.5.3.1 - Segregation of duties
A.6.1.1 - Cryptographic controls
A.6.2.1 - Physical and environmental security
A.7.1.1 - System and application security
A.7.3.1 - Encryption of sensitive data
A.8.1.1 - User endpoint devices
A.8.2.1 - Privileged access rights
A.8.3.1 - Information access restriction
A.8.4.1 - Access to cryptographic keys
🟣 PCI DSS v4.0.1
Requirement 1 - Firewall configuration
Requirement 2 - Default passwords and security parameters
Requirement 6 - Secure development and vulnerability management
Requirement 7 - Restrict access to data by business need
Requirement 8 - User identification and authentication
Requirement 10 - Logging and monitoring
📦 Affected Products / CPE 1 entries
4homepages:4images:1.9