📄 Description (English)
A vulnerability has been found in gougucms 4.08.18. This affects the function reg_submit of the file gougucms-master\app\home\controller\Login.php of the component User Registration Handler. Such manipulation of the argument level leads to dynamically-determined object attributes. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
🤖 AI Executive Summary
CVE-2026-5248 is a medium-severity vulnerability in GouguCMS 4.08.18 affecting the user registration handler, allowing remote attackers to manipulate object attributes through the 'level' parameter. The vulnerability exploits dynamic object attribute assignment without proper validation, potentially enabling privilege escalation or unauthorized access. With no patch available and public exploit disclosure, immediate mitigation is required for organizations using this CMS.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 18, 2026 10:49
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi organizations using GouguCMS for web applications, particularly in government portals, educational institutions, and small-to-medium enterprises managing user registrations. Government agencies (NCA oversight), healthcare facilities managing patient portals, and financial services using CMS-based platforms face elevated risk. The privilege escalation potential could allow attackers to gain administrative access, compromising sensitive citizen data and critical services. Saudi organizations should prioritize assessment of GouguCMS deployments in their infrastructure.
🏢 Affected Saudi Sectors
Government
Education
Healthcare
Small-to-Medium Enterprises
E-commerce
Financial Services
🎯 MITRE ATT&CK Techniques
T1078 - Valid Accounts (privilege escalation through registration)
T1190 - Exploit Public-Facing Application (remote exploitation)
T1548 - Abuse Elevation Control Mechanism (privilege escalation)
T1566 - Phishing (potential social engineering post-compromise)
T1136 - Create Account (unauthorized account creation with elevated privileges)
⚖️ Saudi Risk Score (AI)
6.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all GouguCMS 4.08.18 instances in your environment using network scanning and asset inventory tools
2. Isolate affected systems from production networks if possible or implement network segmentation
3. Disable user registration functionality if not critical to operations
4. Implement Web Application Firewall (WAF) rules to block requests with suspicious 'level' parameter manipulation
PATCHING GUIDANCE:
1. Since no official patch is available, contact GouguCMS vendor for security updates or consider alternative CMS solutions
2. Monitor vendor security advisories for patch releases
3. Implement version upgrade to newer GouguCMS releases when available
COMPENSATING CONTROLS:
1. Deploy input validation middleware to sanitize the 'level' parameter in registration requests
2. Implement strict object attribute whitelisting in the Login.php controller
3. Apply principle of least privilege to application service accounts
4. Enable comprehensive logging and monitoring of registration activities
5. Implement rate limiting on registration endpoints
DETECTION RULES:
1. Monitor for POST requests to /app/home/controller/Login.php with 'level' parameter containing non-standard values
2. Alert on registration requests with level values outside expected range (e.g., level > 10)
3. Track successful registrations with elevated privilege levels
4. Monitor for multiple failed registration attempts from single IP
5. Log and alert on any object attribute modifications during registration process
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع نسخ GouguCMS 4.08.18 في بيئتك باستخدام أدوات المسح والجرد
2. عزل الأنظمة المتأثرة عن شبكات الإنتاج أو تطبيق تقسيم الشبكة
3. تعطيل وظيفة تسجيل المستخدمين إذا لم تكن حرجة للعمليات
4. تطبيق قواعد جدار حماية تطبيقات الويب لحجب الطلبات ذات معالجة معامل 'level' المريبة
إرشادات التصحيح:
1. نظراً لعدم توفر تصحيح رسمي، اتصل بمورد GouguCMS للحصول على تحديثات أمان أو فكر في حلول CMS بديلة
2. راقب إشعارات أمان المورد للحصول على إصدارات التصحيح
3. تطبيق ترقية الإصدار إلى إصدارات GouguCMS الأحدث عند توفرها
الضوابط التعويضية:
1. نشر برنامج وسيط التحقق من الإدخال لتنظيف معامل 'level' في طلبات التسجيل
2. تطبيق قائمة بيضاء صارمة لخصائص الكائنات في وحدة التحكم Login.php
3. تطبيق مبدأ أقل امتياز على حسابات خدمة التطبيق
4. تفعيل السجلات الشاملة ومراقبة أنشطة التسجيل
5. تطبيق تحديد معدل على نقاط نهاية التسجيل
قواعد الكشف:
1. مراقبة طلبات POST إلى /app/home/controller/Login.php مع معامل 'level' يحتوي على قيم غير قياسية
2. تنبيه على طلبات التسجيل بقيم مستوى خارج النطاق المتوقع
3. تتبع التسجيلات الناجحة بمستويات امتياز مرتفعة
4. مراقبة محاولات التسجيل الفاشلة المتعددة من عنوان IP واحد
5. تسجيل والتنبيه على أي تعديلات خصائص الكائنات أثناء عملية التسجيل
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.5.1.1 - Access Control Policies (privilege escalation risk)
ECC 2024 A.6.1.2 - User Registration and Access Rights Management
ECC 2024 A.12.4.1 - Event Logging (detection and monitoring)
ECC 2024 A.14.2.1 - Secure Development (input validation requirements)
🔵 SAMA CSF
SAMA CSF ID.AM-2 - Asset Management (inventory of CMS systems)
SAMA CSF PR.AC-1 - Access Control (privilege escalation prevention)
SAMA CSF DE.CM-1 - Detection and Analysis (monitoring registration activities)
SAMA CSF RS.MI-2 - Incident Response (containment procedures)
🟡 ISO 27001:2022
ISO 27001:2022 A.5.2 - Information Security Policies
ISO 27001:2022 A.6.1.1 - Screening (user registration controls)
ISO 27001:2022 A.8.1.1 - User Endpoint Devices (application security)
ISO 27001:2022 A.8.3.1 - Password Management (privilege escalation prevention)
ISO 27001:2022 A.12.4.1 - Event Logging and Monitoring
🟣 PCI DSS v4.0.1
PCI DSS 6.5.1 - Injection Flaws (CWE-913 related)
PCI DSS 7.1 - Least Privilege Access
PCI DSS 10.2 - User Activity Logging