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Vulnerabilities

CVE-2026-3880

High
Zohocorp ManageEngine Exchange Reporter Plus versions before 5802 are vulnerable to Stored XSS in Public Folder Client Permissions report.
CWE-79 — Weakness Type
Published: Apr 3, 2026  ·  Modified: Apr 6, 2026  ·  Source: NVD
CVSS v3
7.3
🔗 NVD Official
📄 Description (English)

Zohocorp ManageEngine Exchange Reporter Plus versions before 5802 are vulnerable to Stored XSS in Public Folder Client Permissions report.

🤖 AI Executive Summary

ManageEngine Exchange Reporter Plus versions before 5802 contain a Stored XSS vulnerability in the Public Folder Client Permissions report that allows authenticated attackers to inject malicious scripts. This vulnerability could enable credential theft, session hijacking, and lateral movement within Exchange environments. Organizations using affected versions should immediately implement compensating controls and plan urgent patching upon availability.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 6, 2026 01:17
🇸🇦 Saudi Arabia Impact Assessment
Saudi banking sector organizations (SAMA-regulated banks) using ManageEngine Exchange Reporter Plus face significant risk as this tool is commonly deployed for Exchange infrastructure monitoring. Government entities (NCA oversight) managing email systems are also at risk. Telecom operators (STC, Mobily) and healthcare institutions using Exchange for communications could experience data breaches through stored XSS attacks. The vulnerability enables attackers to steal administrative credentials, potentially compromising entire Exchange environments and sensitive communications. Energy sector organizations (ARAMCO, utilities) relying on Exchange for critical communications are particularly vulnerable.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Healthcare Energy and Utilities Telecommunications Education
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all ManageEngine Exchange Reporter Plus installations and document versions (check Administration > About)
2. Restrict access to the Public Folder Client Permissions report to trusted administrators only
3. Implement network segmentation to limit access to the reporting interface
4. Enable detailed logging for all report access and modifications
5. Review audit logs for suspicious activity in the past 90 days

COMPENSATING CONTROLS:
1. Deploy Web Application Firewall (WAF) rules to detect and block XSS payloads in report parameters
2. Implement Content Security Policy (CSP) headers to prevent inline script execution
3. Use browser-based security extensions to block malicious scripts
4. Enforce multi-factor authentication for all ManageEngine administrative accounts
5. Disable public folder client permissions report functionality if not actively used

PATCHING GUIDANCE:
1. Monitor Zoho security advisories for patch release (version 5802 or later)
2. Test patches in non-production environment before deployment
3. Plan maintenance window for immediate deployment upon patch availability
4. Maintain backup of current configuration before patching

DETECTION RULES:
1. Monitor for HTTP requests containing script tags or event handlers in report parameters
2. Alert on unusual characters in Public Folder Client Permissions report submissions
3. Track changes to report output and stored data
4. Monitor for base64-encoded payloads in report parameters
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع تثبيتات ManageEngine Exchange Reporter Plus وتوثيق الإصدارات (تحقق من الإدارة > حول)
2. تقييد الوصول إلى تقرير صلاحيات عميل المجلد العام للمسؤولين الموثوقين فقط
3. تنفيذ تقسيم الشبكة لتحديد الوصول إلى واجهة الإبلاغ
4. تفعيل السجلات التفصيلية لجميع عمليات الوصول والتعديلات على التقارير
5. مراجعة سجلات التدقيق للنشاط المريب في آخر 90 يوماً

الضوابط التعويضية:
1. نشر قواعد جدار حماية تطبيقات الويب (WAF) للكشف عن حقن XSS وحجبها
2. تنفيذ رؤوس سياسة أمان المحتوى (CSP) لمنع تنفيذ البرامج النصية المضمنة
3. استخدام امتدادات الأمان المستندة إلى المتصفح لحجب البرامج النصية الضارة
4. فرض المصادقة متعددة العوامل لجميع حسابات إدارة ManageEngine
5. تعطيل وظيفة تقرير صلاحيات عميل المجلد العام إذا لم تكن قيد الاستخدام النشط

إرشادات التصحيح:
1. مراقبة مستشارات أمان Zoho لإصدار التصحيح (الإصدار 5802 أو أحدث)
2. اختبار التصحيحات في بيئة غير الإنتاج قبل النشر
3. التخطيط لنافذة صيانة للنشر الفوري عند توفر التصحيح
4. الاحتفاظ بنسخة احتياطية من التكوين الحالي قبل التصحيح

قواعد الكشف:
1. مراقبة طلبات HTTP التي تحتوي على علامات البرامج النصية أو معالجات الأحداث في معاملات التقرير
2. تنبيه الأحرف غير العادية في تقديمات تقرير صلاحيات عميل المجلد العام
3. تتبع التغييرات في مخرجات التقرير والبيانات المخزنة
4. مراقبة الحمولات المشفرة بـ base64 في معاملات التقرير
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.14.2.1 - Information security requirements for supplier relationships ECC 2024 A.5.1.1 - Policies for information security ECC 2024 A.12.6.1 - Management of technical vulnerabilities
🔵 SAMA CSF
SAMA CSF ID.BE-3 - Organizational resilience SAMA CSF PR.AC-1 - Access control policy and procedures SAMA CSF PR.PT-1 - Security awareness and training SAMA CSF DE.CM-1 - The network is monitored to detect potential cybersecurity events
🟡 ISO 27001:2022
ISO 27001:2022 A.5.1 - Policies for information security ISO 27001:2022 A.6.1 - Screening ISO 27001:2022 A.8.1 - User endpoint devices ISO 27001:2022 A.14.2 - Supplier relationships
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Ensure that all system components and software are kept up to date with all applicable security patches
📦 Affected Products / CPE 4 entries
zohocorp:manageengine_exchange_reporter_plus
zohocorp:manageengine_exchange_reporter_plus:5.8
zohocorp:manageengine_exchange_reporter_plus:5.8
zohocorp:manageengine_exchange_reporter_plus:5.8
📊 CVSS Score
7.3
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionR — Required
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityN — None / Network
📋 Quick Facts
Severity High
CVSS Score7.3
CWECWE-79
EPSS0.02%
Exploit No
Patch ✗ No
Published 2026-04-03
Source Feed nvd
Views 4
🇸🇦 Saudi Risk Score
7.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-79
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