📄 Description (English)
e107 CMS version 3.2.1 contains a file upload vulnerability that allows authenticated administrators to override server files through the Media Manager import functionality. Attackers can exploit the upload mechanism by manipulating the upload URL parameter to overwrite existing files like top.php in the web application directory.
🤖 AI Executive Summary
e107 CMS 3.2.1 contains a critical file upload vulnerability (CVE-2022-50916) allowing authenticated administrators to overwrite arbitrary server files through the Media Manager import functionality. With CVSS 7.2 and publicly available exploits, this poses significant risk to Saudi organizations using e107 for content management. Immediate patching and access control review are essential to prevent unauthorized file modifications and potential remote code execution.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 8, 2026 05:02
🇸🇦 Saudi Arabia Impact Assessment
Government agencies and municipalities using e107 for public-facing websites face risk of website defacement and data manipulation. Educational institutions (universities, schools) utilizing e107 for content management could experience unauthorized modifications to academic materials and administrative systems. Small-to-medium enterprises and private sector organizations using e107 for corporate websites are vulnerable to business disruption. Healthcare facilities using e107 for patient information portals could face integrity compromises. The vulnerability is particularly concerning for organizations with weak administrator access controls and insufficient file permission configurations.
🏢 Affected Saudi Sectors
Government and Public Administration
Education (Universities and Schools)
Healthcare
Banking and Financial Services
Telecommunications
Energy and Utilities
Small and Medium Enterprises
Non-Governmental Organizations
🎯 MITRE ATT&CK Techniques
T1190 - Exploit Public-Facing Application
T1199 - Trusted Relationship
T1566 - Phishing
T1598 - Phishing for Information
T1204 - User Execution
T1105 - Ingress Tool Transfer
T1190 - Exploit Public-Facing Application
T1491 - Defacement
T1565 - Data Manipulation
T1070 - Indicator Removal
T1078 - Valid Accounts
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all e107 CMS 3.2.1 instances in your environment using network scanning and asset inventory tools
2. Restrict administrator account access to only authorized personnel; review and revoke unnecessary admin privileges
3. Implement strict file permission controls: ensure web server cannot write to critical directories (e.g., top.php location)
4. Disable or restrict the Media Manager import functionality until patching is complete
5. Review web server logs for suspicious file upload activities and modifications to top.php and similar files
PATCHING GUIDANCE:
1. Upgrade e107 CMS to version 3.2.2 or later immediately
2. Test patches in a staging environment before production deployment
3. Backup all critical files and database before applying patches
4. Verify patch application by checking file integrity and version numbers
COMPENSATING CONTROLS (if patching delayed):
1. Implement Web Application Firewall (WAF) rules to block suspicious Media Manager upload requests
2. Configure file integrity monitoring (FIM) on critical application files (top.php, configuration files)
3. Implement strict input validation on upload URL parameters
4. Use read-only file system permissions for application core files
5. Enable detailed logging and alerting for file modification events
DETECTION RULES:
1. Monitor for POST requests to Media Manager import endpoints with suspicious URL parameters
2. Alert on any modifications to top.php and core application files outside of scheduled maintenance
3. Track failed and successful file uploads with unusual file paths or extensions
4. Monitor for administrator account logins from unusual IP addresses or times
5. Implement YARA rules to detect e107 exploitation patterns in web server logs
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع نسخ e107 CMS 3.2.1 في بيئتك باستخدام أدوات المسح الشبكي وجرد الأصول
2. تقييد وصول حساب المسؤول للموظفين المصرح لهم فقط؛ مراجعة وإلغاء امتيازات المسؤول غير الضرورية
3. تنفيذ عناصر تحكم صارمة في أذونات الملفات: تأكد من عدم قدرة خادم الويب على الكتابة إلى الدلائل الحرجة
4. تعطيل أو تقييد وظيفة استيراد مدير الوسائط حتى يتم إكمال التصحيح
5. مراجعة سجلات خادم الويب للأنشطة المريبة في تحميل الملفات والتعديلات على top.php
إرشادات التصحيح:
1. ترقية e107 CMS إلى الإصدار 3.2.2 أو أحدث على الفور
2. اختبار التصحيحات في بيئة التجريب قبل نشرها في الإنتاج
3. عمل نسخة احتياطية من جميع الملفات الحرجة وقاعدة البيانات قبل تطبيق التصحيحات
4. التحقق من تطبيق التصحيح بفحص سلامة الملفات وأرقام الإصدارات
عناصر التحكم البديلة (إذا تأخر التصحيح):
1. تنفيذ قواعد جدار حماية تطبيقات الويب (WAF) لحظر طلبات استيراد مدير الوسائط المريبة
2. تكوين مراقبة سلامة الملفات (FIM) على ملفات التطبيق الحرجة
3. تنفيذ التحقق الصارم من المدخلات على معاملات عنوان URL للتحميل
4. استخدام أذونات نظام الملفات للقراءة فقط لملفات تطبيق النواة
5. تفعيل السجلات التفصيلية والتنبيهات لأحداث تعديل الملفات
قواعد الكشف:
1. مراقبة طلبات POST إلى نقاط نهاية استيراد مدير الوسائط مع معاملات عنوان URL المريبة
2. التنبيه على أي تعديلات على top.php وملفات التطبيق الأساسية خارج الصيانة المجدولة
3. تتبع التحميلات الفاشلة والناجحة مع مسارات ملفات أو امتدادات غير عادية
4. مراقبة تسجيلات دخول حساب المسؤول من عناوين IP أو أوقات غير عادية
5. تنفيذ قواعد YARA للكشف عن أنماط استغلال e107 في سجلات خادم الويب
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information Security Policies and Procedures
A.6.1.1 - Internal Organization
A.6.2.1 - Access Control
A.7.1.1 - Physical and Environmental Security
A.8.1.1 - Asset Management
A.9.1.1 - Access Control Implementation
A.10.1.1 - Cryptography
A.12.1.1 - Operations Security
A.12.2.1 - System Acquisition, Development and Maintenance
A.12.6.1 - Management of Technical Vulnerabilities
🔵 SAMA CSF
Governance - Policy and Risk Management
Governance - Compliance and Audit
Protection - Access Control and Authentication
Protection - Data Protection and Privacy
Detection - Monitoring and Logging
Response - Incident Management
🟡 ISO 27001:2022
5.1 - Policies for information security
6.1 - Information security roles and responsibilities
6.2 - Information security coordination
8.1 - Operational planning and control
8.2 - Supply chain relationships
8.3 - Information and communication
8.4 - Physical and environmental security
8.5 - Access control
8.6 - Cryptography
8.7 - Physical and logical access
8.32 - Change management
8.33 - Information security testing
8.34 - Development security
🟣 PCI DSS v4.0.1
Requirement 1 - Install and maintain a firewall configuration
Requirement 2 - Do not use vendor-supplied defaults
Requirement 6 - Develop and maintain secure systems and applications
Requirement 6.2 - Ensure security patches are installed
Requirement 7 - Restrict access to data by business need
Requirement 8 - Identify and authenticate access
Requirement 10 - Track and monitor access to network resources
Requirement 11 - Test security systems regularly
🔗 References & Sources 4
🔗
https://e107.org/
disclosure@vulncheck.com
Product
🔗
https://e107.org/download
disclosure@vulncheck.com
Product
🔗
https://www.exploit-db.com/exploits/50910
disclosure@vulncheck.com
Exploit
Third Party Advisory
VDB Entry
🔗
https://www.vulncheck.com/advisories/e-cms-upload-restriction-bypass-authenticated-admi...
disclosure@vulncheck.com
Third Party Advisory
📦 Affected Products / CPE 1 entries
e107:e107:3.2.1