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Global vulnerability Information Technology CRITICAL 36m Global supply_chain Software Development and Technology HIGH 1h Global vulnerability Information Technology and Telecommunications CRITICAL 1h Global apt Financial Services, Banking HIGH 7h Global vulnerability Technology and Software Development HIGH 10h Global vulnerability Government and Federal Agencies CRITICAL 10h Global supply_chain Software Development and Open-Source Ecosystems HIGH 11h Global vulnerability Enterprise Software/SaaS MEDIUM 11h Global supply_chain Software Development HIGH 11h Global general Insurance/Risk Management HIGH 11h Global vulnerability Information Technology CRITICAL 36m Global supply_chain Software Development and Technology HIGH 1h Global vulnerability Information Technology and Telecommunications CRITICAL 1h Global apt Financial Services, Banking HIGH 7h Global vulnerability Technology and Software Development HIGH 10h Global vulnerability Government and Federal Agencies CRITICAL 10h Global supply_chain Software Development and Open-Source Ecosystems HIGH 11h Global vulnerability Enterprise Software/SaaS MEDIUM 11h Global supply_chain Software Development HIGH 11h Global general Insurance/Risk Management HIGH 11h Global vulnerability Information Technology CRITICAL 36m Global supply_chain Software Development and Technology HIGH 1h Global vulnerability Information Technology and Telecommunications CRITICAL 1h Global apt Financial Services, Banking HIGH 7h Global vulnerability Technology and Software Development HIGH 10h Global vulnerability Government and Federal Agencies CRITICAL 10h Global supply_chain Software Development and Open-Source Ecosystems HIGH 11h Global vulnerability Enterprise Software/SaaS MEDIUM 11h Global supply_chain Software Development HIGH 11h Global general Insurance/Risk Management HIGH 11h
Vulnerabilities

CVE-2018-25353

High
CWE-863 — Weakness Type
Published: May 23, 2026  ·  Modified: May 30, 2026  ·  Source: NVD
CVSS v3
8.8
🔗 NVD Official
📄 Description (English)

Redaxo CMS Mediapool Addon 5.5.1 and older contains an arbitrary file upload vulnerability that allows authenticated users to bypass file extension blacklist restrictions. Attackers with editor accounts can upload executable files by using obfuscated extensions like php71 or php53 to evade the blacklist filter and execute arbitrary code.

🤖 AI Executive Summary

Redaxo CMS Mediapool Addon versions 5.5.1 and earlier contain an arbitrary file upload vulnerability allowing authenticated users to bypass file extension blacklist restrictions. Attackers with editor privileges can upload executable files using obfuscated extensions to execute arbitrary code on the server.

📄 Description (Arabic)

تحتوي إضافة Redaxo CMS Mediapool في الإصدارات 5.5.1 والأقدم على ثغرة تحميل ملفات تعسفية تسمح للمستخدمين المصرح لهم بتجاوز قيود قائمة امتدادات الملفات المحظورة. يمكن للمهاجمين الذين لديهم حسابات محرر تحميل ملفات قابلة للتنفيذ باستخدام امتدادات مموهة مثل php71 أو php53 لتنفيذ أكواد تعسفية على الخادم.

🤖 ملخص تنفيذي (AI)

Redaxo CMS Mediapool Addon versions 5.5.1 and earlier contain an arbitrary file upload vulnerability allowing authenticated users to bypass file extension blacklist restrictions. Attackers with editor privileges can upload executable files using obfuscated extensions to execute arbitrary code on the server.

🤖 AI Intelligence Analysis Analyzed: May 26, 2026 18:16
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
government telecom banking healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.0
/ 10.0
🔧 Remediation Steps (English)
Upgrade Redaxo CMS Mediapool Addon to version 5.5.2 or later immediately. Implement strict server-side file type validation using MIME type checking and magic bytes verification rather than relying on extension blacklists. Restrict file upload permissions to trusted users only and store uploads outside the web root directory.
🔧 خطوات المعالجة (العربية)
قم بترقية إضافة Redaxo CMS Mediapool إلى الإصدار 5.5.2 أو أحدث فوراً. طبق التحقق الصارم من نوع الملف على جانب الخادم باستخدام فحص نوع MIME والتحقق من البايتات السحرية بدلاً من الاعتماد على قوائم امتدادات محظورة. قيد صلاحيات تحميل الملفات للمستخدمين الموثوقين فقط وخزن الملفات المرفوعة خارج دليل الويب.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
AC-2 AC-3 SI-10
🔵 SAMA CSF
CC6.1 CC6.2 CC7.2
🟡 ISO 27001:2022
A.12.2.1 A.14.2.1 A.14.2.5
📊 CVSS Score
8.8
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score8.8
CWECWE-863
EPSS0.06%
Exploit No
Patch ✗ No
Published 2026-05-23
Source Feed nvd
🇸🇦 Saudi Risk Score
8.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-863
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