Vulnerability Report: RCE, IDOR, Broken Access Control, XSS

Vulnerability Summary 1. Vulnerability Types RCE (Remote Code Execution): Allows attackers to upload malicious files and execute arbitrary code. IDOR (Insecure Direct Object Reference): Enables unauthorized access and data manipulation through insecure object references. 2. Vulnerability Details and Impact Vulnerability 1: Unrestricted File Upload (RCE) Severity: CRITICAL (10.0) Description: Due to insufficient MIME type validation and insecure filename generation, attackers can upload PHP files containing malicious code, leading to server compromise. Affected Files: , . Vulnerability 2: Insecure Direct Object Reference (IDOR) - Critical Data Manipulation Severity: HIGH (8.1) Description: Lack of permission checks allows attackers to manipulate data belonging to other users by guessing or enumerating IDs. Affected Files: , . Vulnerability 3: Broken Access Control - Unauthenticated Account Creation Severity: CRITICAL (9.8) Description: Due to missing authentication and authorization checks, attackers can create new user and seller accounts via direct HTTP requests. Affected Files: , . Vulnerability 4: Stored Cross-Site Scripting (XSS) Severity: HIGH (7.6) Description: Insufficient input validation allows attackers to inject malicious JavaScript into data fields, which executes when viewed by administrators. Affected Files: 3. Impact and Risks RCE: Attackers can gain shell access to the web server, perform file operations, and execute system commands. IDOR: Leads to data breaches, financial fraud, and market disruption. Broken Access Control: Enables unauthorized account creation and privilege escalation. XSS: Enables session hijacking, persistent malware injection, and phishing attacks. 4. Disclosure Timeline Initial Contact: December 16, 2025 Public Disclosure Date: December 23, 2025 (if no response) 5. Remediation Recommendations Implement strict server-side validation and extension whitelisting for file uploads. Add ownership checks in database operations to fix IDOR vulnerabilities. Enforce authentication checks on backend endpoints to prevent unauthorized access. Encode output data to prevent XSS attacks.

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Vulnerability Report: RCE, IDOR, Broken Access Control, XSS

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