CVE-2026-36767 in shopizer
Summary
by MITRE • 04/30/2026
A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary files to any writeable path via a crafted POST request.
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Analysis
by VulDB Data Team • 07/25/2026
The path traversal vulnerability identified in the shopizer e-commerce platform version 3.2.5 represents a critical security flaw that enables unauthorized file system manipulation through the /content/images/add endpoint. This vulnerability falls under the common weakness enumeration CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The flaw exists in the application's handling of file upload requests where input validation is insufficiently implemented, allowing attackers to manipulate file paths and potentially overwrite critical system files or inject malicious content into the application's file structure.
The technical implementation of this vulnerability occurs when an attacker crafts a specially formatted POST request containing malicious file path references that bypass normal file upload restrictions. The endpoint fails to properly sanitize or validate the file path parameters, enabling attackers to specify arbitrary write locations within the file system. This weakness allows for directory traversal techniques where attackers can navigate beyond the intended upload directory and target other critical paths that are writable by the application process. The vulnerability is particularly concerning because it operates at the file system level rather than through traditional web application attack vectors, making detection more challenging and potentially leading to complete system compromise.
The operational impact of this vulnerability extends far beyond simple unauthorized file creation. An attacker who successfully exploits this flaw can establish persistent backdoors by placing malicious files in critical system directories, overwrite legitimate application files to cause denial of service or execute malicious code, or even escalate privileges if the web application process runs with elevated permissions. The attack surface is widened because many e-commerce platforms store sensitive data in image directories that may be accessible through predictable paths, making this vulnerability particularly dangerous for applications handling customer data, payment information, or business-critical assets. This type of vulnerability aligns with tactics described in the attack pattern taxonomy under techniques such as T1059 Command and Scripting Interpreter and T1486 Data Encrypted for Ransom, depending on how the attacker chooses to leverage the compromised file system access.
Mitigation strategies should focus on implementing robust input validation and sanitization mechanisms that strictly enforce file path restrictions. The application must validate all file upload parameters against a whitelist of acceptable paths and reject any requests containing directory traversal sequences such as ../ or ..\\. Implementing proper access controls and ensuring that the web application process runs with minimal required privileges significantly reduces the potential impact of exploitation. Additionally, organizations should deploy web application firewalls that can detect and block suspicious file path patterns, implement proper logging and monitoring to detect anomalous file system activity, and conduct regular security assessments including automated vulnerability scanning and manual penetration testing specifically targeting file upload functionality. Regular updates to shopizer and all third-party components are essential to address known vulnerabilities and maintain a secure operational environment that adheres to industry standards such as those outlined in the OWASP Top Ten and NIST Cybersecurity Framework recommendations for web application security.