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Global vulnerability Government and Critical Infrastructure CRITICAL 41m Global vulnerability Multiple sectors CRITICAL 1h Global vulnerability Information Technology / Software Infrastructure CRITICAL 1h Global data_breach Healthcare CRITICAL 2h Global data_breach Mobile Technology / Consumer Electronics HIGH 2h Global ransomware Cybersecurity Services / Multiple Sectors CRITICAL 2h Global apt Cryptocurrency and Blockchain CRITICAL 3h Global malware Financial Services, Mobile Payments HIGH 4h Global vulnerability Government and Critical Infrastructure CRITICAL 6h Global apt Cryptocurrency and Blockchain CRITICAL 14h Global vulnerability Government and Critical Infrastructure CRITICAL 41m Global vulnerability Multiple sectors CRITICAL 1h Global vulnerability Information Technology / Software Infrastructure CRITICAL 1h Global data_breach Healthcare CRITICAL 2h Global data_breach Mobile Technology / Consumer Electronics HIGH 2h Global ransomware Cybersecurity Services / Multiple Sectors CRITICAL 2h Global apt Cryptocurrency and Blockchain CRITICAL 3h Global malware Financial Services, Mobile Payments HIGH 4h Global vulnerability Government and Critical Infrastructure CRITICAL 6h Global apt Cryptocurrency and Blockchain CRITICAL 14h Global vulnerability Government and Critical Infrastructure CRITICAL 41m Global vulnerability Multiple sectors CRITICAL 1h Global vulnerability Information Technology / Software Infrastructure CRITICAL 1h Global data_breach Healthcare CRITICAL 2h Global data_breach Mobile Technology / Consumer Electronics HIGH 2h Global ransomware Cybersecurity Services / Multiple Sectors CRITICAL 2h Global apt Cryptocurrency and Blockchain CRITICAL 3h Global malware Financial Services, Mobile Payments HIGH 4h Global vulnerability Government and Critical Infrastructure CRITICAL 6h Global apt Cryptocurrency and Blockchain CRITICAL 14h
Vulnerabilities

CVE-2026-21861

Critical ⚡ Exploit Available
baserCMS is a website development framework. Prior to version 5.2.3, baserCMS contains an OS command injection vulnerability in the core update functionality. An authenticated administrator can execut
CWE-78 — Weakness Type
Published: Mar 31, 2026  ·  Modified: Apr 7, 2026  ·  Source: NVD
CVSS v3
9.1
🔗 NVD Official
📄 Description (English)

baserCMS is a website development framework. Prior to version 5.2.3, baserCMS contains an OS command injection vulnerability in the core update functionality. An authenticated administrator can execute arbitrary OS commands on the server due to improper handling of user-controlled input that is directly passed to exec() without sufficient validation or escaping. This issue has been patched in version 5.2.3.

🤖 AI Executive Summary

baserCMS versions prior to 5.2.3 contain an OS command injection vulnerability in the core update functionality that allows authenticated administrators to execute arbitrary commands on the server. The vulnerability stems from improper input validation before passing user-controlled data to exec() functions.

📄 Description (Arabic)

تؤثر هذه الثغرة على إطار عمل تطوير المواقع baserCMS وتسمح للمسؤولين المصرحين بتنفيذ أوامر نظام التشغيل العشوائية على الخادم. يحدث الضعف في وظيفة التحديث الأساسية حيث لا يتم التحقق من صحة مدخلات المستخدم قبل تمريرها إلى دوال exec().

🤖 ملخص تنفيذي (AI)

إصدارات baserCMS السابقة للإصدار 5.2.3 تحتوي على ثغرة حقن أوامر نظام التشغيل في وظيفة التحديث الأساسية التي تسمح للمسؤولين المصرحين بتنفيذ أوامر عشوائية على الخادم. تنشأ الثغرة من عدم التحقق الكافي من المدخلات قبل تمرير البيانات التي يتحكم فيها المستخدم إلى وظائف exec().

🤖 AI Intelligence Analysis Analyzed: Apr 12, 2026 18:48
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
government telecom banking
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Immediately upgrade baserCMS to version 5.2.3 or later. Implement strict input validation and sanitization for all user-controlled inputs passed to system command execution functions. Apply principle of least privilege to administrator accounts and monitor administrative activities for suspicious command executions.
🔧 خطوات المعالجة (العربية)
قم بترقية baserCMS فوراً إلى الإصدار 5.2.3 أو أحدث. طبق التحقق الصارم من المدخلات والتطهير لجميع المدخلات التي يتحكم فيها المستخدم والمُمررة إلى وظائف تنفيذ أوامر النظام. طبق مبدأ الامتياز الأدنى على حسابات المسؤول ومراقبة الأنشطة الإدارية للكشف عن تنفيذ الأوامر المريبة.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.1 A.2 A.3 A.4
🔵 SAMA CSF
ID.RA-1 PR.IP-1 PR.IP-2 DE.CM-1
🟡 ISO 27001:2022
A.12.2.1 A.12.6.1 A.14.2.1
📦 Affected Products / CPE 1 entries
basercms:basercms
📊 CVSS Score
9.1
/ 10.0 — Critical
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredH — High
User InteractionN — None / Network
ScopeC — Changed
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity Critical
CVSS Score9.1
CWECWE-78
EPSS0.26%
Exploit ✓ Yes
Patch ✗ No
Published 2026-03-31
Source Feed nvd
🇸🇦 Saudi Risk Score
9.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
exploit-available CWE-78
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