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Vulnerabilities

CVE-2026-10581

Medium
CWE-918 — Weakness Type
Published: Jun 2, 2026  ·  Modified: Jun 5, 2026  ·  Source: NVD
CVSS v3
6.3
🔗 NVD Official
📄 Description (English)

A flaw has been found in DedeCMS 5.7.88. Affected by this vulnerability is the function base64_decode of the file /plus/download.php?open=1. This manipulation of the argument Link causes server-side request forgery. Remote exploitation of the attack is possible. The exploit has been published and may be used.

🤖 AI Executive Summary

CVE-2026-10581 is a Server-Side Request Forgery (SSRF) vulnerability in DedeCMS 5.7.88 affecting the download.php file. The vulnerability allows remote attackers to manipulate the 'Link' parameter to trigger unauthorized server requests, potentially leading to internal network reconnaissance, data exfiltration, or attacks on internal services. With a CVSS score of 6.3 and published exploit code available, this poses a moderate but exploitable risk to organizations using this CMS platform.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: Jun 3, 2026 07:01
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability primarily impacts Saudi organizations using DedeCMS for content management, particularly in government websites, educational institutions, and small-to-medium enterprises. Government agencies under NCA oversight and organizations subject to SAMA regulations in the financial sector face elevated risk if they rely on DedeCMS. The SSRF vulnerability could enable attackers to access internal resources, bypass firewalls, or pivot to internal systems hosting sensitive data. Healthcare organizations and energy sector entities using this CMS are also at risk of internal network compromise.
🏢 Affected Saudi Sectors
Government Education Healthcare Banking and Financial Services Telecommunications Energy and Utilities Small and Medium Enterprises
⚖️ Saudi Risk Score (AI)
6.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all instances of DedeCMS 5.7.88 in your environment and document their internet-facing status
2. Implement Web Application Firewall (WAF) rules to block suspicious requests to /plus/download.php with base64-encoded payloads
3. Restrict access to download.php to authorized users only using IP whitelisting or authentication controls
4. Monitor access logs for suspicious patterns in the 'Link' parameter (base64 strings, internal IP addresses, localhost references)

Patching Guidance:
1. Upgrade DedeCMS to the latest available version immediately (check official DedeCMS repository for patches beyond 5.7.88)
2. If upgrade is not immediately possible, apply input validation to the 'Link' parameter to reject base64-encoded payloads and internal IP addresses
3. Disable the download.php functionality if not actively used

Compensating Controls:
1. Implement network segmentation to limit outbound connections from web servers
2. Deploy egress filtering to prevent servers from making unexpected outbound requests
3. Use a reverse proxy to inspect and validate all requests to /plus/download.php
4. Enable request logging and alerting for any base64_decode operations on user input

Detection Rules:
1. Alert on POST/GET requests to /plus/download.php containing base64-encoded strings in the 'Link' parameter
2. Monitor for requests containing internal IP ranges (10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16) in URL parameters
3. Track outbound connections from web servers to unexpected internal services or non-standard ports
4. Flag any attempts to access localhost, 127.0.0.1, or internal service endpoints through the download function
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. حدد جميع نسخ DedeCMS 5.7.88 في بيئتك وتوثيق حالة الوصول إلى الإنترنت
2. طبق قواعد جدار حماية تطبيقات الويب (WAF) لحجب الطلبات المريبة إلى /plus/download.php مع حمولات base64 المشفرة
3. قيد الوصول إلى download.php للمستخدمين المصرح لهم فقط باستخدام القائمة البيضاء للعناوين أو عناصر التحكم في المصادقة
4. راقب سجلات الوصول للأنماط المريبة في معامل 'Link' (سلاسل base64، عناوين IP الداخلية، مراجع localhost)

إرشادات التصحيح:
1. قم بترقية DedeCMS إلى أحدث إصدار متاح على الفور (تحقق من مستودع DedeCMS الرسمي للتصحيحات بعد 5.7.88)
2. إذا لم يكن الترقية ممكنة على الفور، طبق التحقق من صحة الإدخال على معامل 'Link' لرفض حمولات base64 المشفرة وعناوين IP الداخلية
3. عطل وظيفة download.php إذا لم تكن قيد الاستخدام النشط

عناصر التحكم التعويضية:
1. طبق تقسيم الشبكة لتحديد الاتصالات الصادرة من خوادم الويب
2. نشر تصفية الخروج لمنع الخوادم من إجراء طلبات صادرة غير متوقعة
3. استخدم وكيل عكسي للتفتيش والتحقق من جميع الطلبات إلى /plus/download.php
4. تفعيل تسجيل الطلبات والتنبيهات لأي عمليات base64_decode على إدخال المستخدم

قواعد الكشف:
1. تنبيه على طلبات POST/GET إلى /plus/download.php تحتوي على سلاسل base64 مشفرة في معامل 'Link'
2. راقب الطلبات التي تحتوي على نطاقات IP الداخلية (10.0.0.0/8، 172.16.0.0/12، 192.168.0.0/16) في معاملات URL
3. تتبع الاتصالات الصادرة من خوادم الويب إلى خدمات داخلية غير متوقعة أو منافذ غير قياسية
4. علم أي محاولات للوصول إلى localhost أو 127.0.0.1 أو نقاط نهاية الخدمات الداخلية من خلال وظيفة التنزيل
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.14.2.1 - Information security requirements for supplier relationships ECC 2024 A.14.2.5 - Addressing information security in supplier agreements ECC 2024 A.8.1.1 - User access management and authentication ECC 2024 A.13.1.3 - Segregation of networks
🔵 SAMA CSF
SAMA CSF ID.BE-3.1 - Organizational resilience and risk management SAMA CSF PR.AC-1 - Access control and authentication mechanisms SAMA CSF PR.DS-1 - Data security and protection SAMA CSF DE.CM-1 - Detection and monitoring of anomalous activity
🟡 ISO 27001:2022
ISO 27001:2022 A.5.15 - Supplier relationships ISO 27001:2022 A.8.1 - User access management ISO 27001:2022 A.8.3 - Password management ISO 27001:2022 A.13.1 - Network security perimeter
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security patches and updates PCI DSS 6.5.1 - Injection flaws prevention PCI DSS 6.5.10 - Broken authentication prevention
📊 CVSS Score
6.3
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityL — Low / Local
IntegrityL — Low / Local
AvailabilityL — Low / Local
📋 Quick Facts
Severity Medium
CVSS Score6.3
CWECWE-918
EPSS0.03%
Exploit No
Patch ✗ No
Published 2026-06-02
Source Feed nvd
🇸🇦 Saudi Risk Score
6.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-918
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