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Vulnerabilities

CVE-2026-25728

High ⚡ Exploit Available
ClipBucket v5 is an open source video sharing platform. Prior to 5.5.3 - #40, a Time-of-Check to Time-of-Use (TOCTOU) race condition vulnerability exists in ClipBucket's avatar and background image up
CWE-367 — Weakness Type
Published: Feb 10, 2026  ·  Modified: Feb 28, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

ClipBucket v5 is an open source video sharing platform. Prior to 5.5.3 - #40, a Time-of-Check to Time-of-Use (TOCTOU) race condition vulnerability exists in ClipBucket's avatar and background image upload functionality. The application moves uploaded files to a web-accessible location before validating them, creating a window where an attacker can execute arbitrary PHP code before the file is deleted. The uploaded file was moved to a web-accessible path via move_uploaded_file(), then validated via ValidateImage(). If validation failed, the file was deleted via @unlink(). This vulnerability is fixed in 5.5.3 - #40.

🤖 AI Executive Summary

ClipBucket v5 contains a TOCTOU race condition in avatar and background image upload functionality that allows attackers to execute arbitrary PHP code before validation occurs. The vulnerability exists because files are moved to web-accessible locations before validation, creating an exploitable window for code execution.

📄 Description (Arabic)

ثغرة تسابق زمني (TOCTOU) في ClipBucket v5 تؤثر على وظيفة تحميل صور الملف الشخصي والخلفية. يقوم التطبيق بنقل الملفات المرفوعة إلى مواقع يمكن الوصول إليها عبر الويب قبل التحقق من صحتها، مما يسمح للمهاجمين بتنفيذ كود PHP عشوائي خلال نافذة زمنية ضيقة.

🤖 ملخص تنفيذي (AI)

ClipBucket v5 يحتوي على ثغرة تسابق زمني في وظيفة تحميل الصور التي تسمح للمهاجمين بتنفيذ كود PHP عشوائي قبل التحقق. الثغرة موجودة لأن الملفات تُنقل إلى مواقع يمكن الوصول إليها عبر الويب قبل التحقق منها.

🤖 AI Intelligence Analysis Analyzed: May 3, 2026 20:56
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
telecom government healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
8.0
/ 10.0
🔧 Remediation Steps (English)
Upgrade ClipBucket to version 5.5.3 - #40 or later immediately. Implement file validation before moving uploaded files to web-accessible directories. Use atomic operations for file handling and validate file types, extensions, and content before any file system operations. Disable PHP execution in upload directories via web server configuration (.htaccess or nginx directives).
🔧 خطوات المعالجة (العربية)
قم بترقية ClipBucket إلى الإصدار 5.5.3 - #40 أو أحدث فوراً. قم بتنفيذ التحقق من الملفات قبل نقل الملفات المرفوعة إلى الدلائل التي يمكن الوصول إليها. استخدم العمليات الذرية للتعامل مع الملفات والتحقق من أنواع الملفات والامتدادات والمحتوى قبل أي عمليات نظام ملفات. عطّل تنفيذ PHP في دلائل التحميل عبر إعدادات خادم الويب.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.12.2.1 A.14.2.1 A.14.2.5
🔵 SAMA CSF
ID.AM-2 PR.DS-1 PR.DS-6
🟡 ISO 27001:2022
A.12.2.1 A.14.2.1 A.14.2.5
📦 Affected Products / CPE 1 entries
oxygenz:clipbucket
📊 CVSS Score
7.5
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack VectorN — None / Network
Attack ComplexityH — High
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityH — High
IntegrityH — High
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.5
CWECWE-367
EPSS0.05%
Exploit ✓ Yes
Patch ✓ Yes
Published 2026-02-10
Source Feed nvd
Views 5
🇸🇦 Saudi Risk Score
8.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
exploit-available patch-available CWE-367
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