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Vulnerabilities

CVE-2025-71282

High
XenForo before 2.3.7 discloses filesystem paths through exception messages triggered by open_basedir restrictions. This allows an attacker to obtain information about the server's directory structure.
CWE-209 — Weakness Type
Published: Apr 1, 2026  ·  Modified: Apr 8, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

XenForo before 2.3.7 discloses filesystem paths through exception messages triggered by open_basedir restrictions. This allows an attacker to obtain information about the server's directory structure.

🤖 AI Executive Summary

XenForo versions before 2.3.7 leak sensitive filesystem paths through exception messages when open_basedir restrictions are triggered, enabling attackers to map server directory structures. This information disclosure vulnerability (CVSS 7.5) affects community platforms and forum software widely deployed across Saudi organizations. While no exploit is currently available, the vulnerability requires immediate patching once released to prevent reconnaissance attacks that could facilitate further exploitation.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 2, 2026 21:02
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations using XenForo for internal forums, community engagement, or customer support platforms face information disclosure risks. Most impacted sectors include: Government agencies using community platforms for citizen engagement, Banking sector customer support forums, Telecommunications companies (STC, Mobily) with customer communities, Healthcare institutions with patient portals, and Educational institutions with student forums. The vulnerability enables attackers to discover sensitive directory structures, potentially revealing application paths, configuration locations, and other infrastructure details useful for targeted attacks against Saudi critical infrastructure.
🏢 Affected Saudi Sectors
Government Banking Telecommunications Healthcare Education Energy
⚖️ Saudi Risk Score (AI)
6.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all XenForo installations in your environment and document their versions
2. Restrict direct access to XenForo error pages using WAF rules or web server configuration
3. Disable detailed error messages in production environments (set debug mode to false)
4. Implement strict open_basedir restrictions at the PHP level to limit path disclosure

Patching Guidance:
1. Monitor XenForo official security advisories for version 2.3.7 release
2. Apply the patch immediately upon availability to all XenForo instances
3. Test patches in staging environment before production deployment
4. Maintain automated patching procedures for future updates

Compensating Controls:
1. Configure web server (Apache/Nginx) to suppress detailed error messages
2. Implement Web Application Firewall (WAF) rules to block requests triggering open_basedir errors
3. Monitor access logs for patterns indicating directory enumeration attempts
4. Use PHP configuration to hide version information (expose_php = Off)
5. Implement rate limiting on error-generating requests

Detection Rules:
1. Monitor for HTTP 500 errors with filesystem path patterns in response bodies
2. Alert on repeated requests to non-existent paths or files
3. Track exceptions containing '/home/', '/var/', '/usr/' or similar directory references
4. Monitor PHP error logs for open_basedir restriction violations
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. حدد جميع تثبيتات XenForo في بيئتك وتوثيق إصداراتها
2. قيد الوصول المباشر إلى صفحات خطأ XenForo باستخدام قواعد WAF أو تكوين خادم الويب
3. عطل رسائل الخطأ التفصيلية في بيئات الإنتاج (اضبط وضع التصحيح على false)
4. طبق قيود open_basedir صارمة على مستوى PHP لتحديد الكشف عن المسارات

إرشادات التصحيح:
1. راقب مستشارات الأمان الرسمية لـ XenForo لإصدار الإصدار 2.3.7
2. طبق الرقعة فوراً عند توفرها على جميع مثيلات XenForo
3. اختبر الرقع في بيئة التجميع قبل نشر الإنتاج
4. حافظ على إجراءات التصحيح الآلية للتحديثات المستقبلية

الضوابط البديلة:
1. قم بتكوين خادم الويب (Apache/Nginx) لقمع رسائل الخطأ التفصيلية
2. طبق قواعد جدار حماية تطبيقات الويب (WAF) لحظر الطلبات التي تؤدي إلى أخطاء open_basedir
3. راقب سجلات الوصول للأنماط التي تشير إلى محاولات تعداد الدليل
4. استخدم تكوين PHP لإخفاء معلومات الإصدار (expose_php = Off)
5. طبق تحديد معدل على الطلبات التي تولد أخطاء

قواعد الكشف:
1. راقب أخطاء HTTP 500 مع أنماط مسار نظام الملفات في أجسام الاستجابة
2. تنبيه على الطلبات المتكررة إلى مسارات أو ملفات غير موجودة
3. تتبع الاستثناءات التي تحتوي على '/home/' أو '/var/' أو '/usr/' أو مراجع دليل مماثلة
4. راقب سجلات خطأ PHP لانتهاكات قيود open_basedir
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information Security Policies and Procedures A.6.1.1 - Organization of Information Security A.8.1.1 - Asset Management A.12.3.1 - Segregation of Networks A.14.2.1 - Secure Development Policy
🔵 SAMA CSF
ID.AM-2 - Software Inventory PR.DS-1 - Data Security Management PR.IP-1 - Security Policy and Process DE.CM-1 - Detection and Analysis
🟡 ISO 27001:2022
A.5.1.1 - Policies for information security A.8.1.1 - Inventory of assets A.12.3.1 - Segregation of networks A.14.2.1 - Secure development policy A.14.3.1 - Security testing
📦 Affected Products / CPE 1 entries
xenforo:xenforo
📊 CVSS Score
7.5
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityN — None / Network
AvailabilityN — None / Network
📋 Quick Facts
Severity High
CVSS Score7.5
CWECWE-209
EPSS0.03%
Exploit No
Patch ✗ No
Published 2026-04-01
Source Feed nvd
Views 4
🇸🇦 Saudi Risk Score
6.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-209
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