CVE-2023-38948 in jizhi
Summary
by MITRE • 08/03/2023
An arbitrary file download vulnerability in the /c/PluginsController.php component of jizhi CMS 1.9.5 allows attackers to execute arbitrary code via downloading a crafted plugin.
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Analysis
by VulDB Data Team • 01/21/2026
The CVE-2023-38948 vulnerability represents a critical arbitrary file download flaw within the jizhi CMS 1.9.5 platform that fundamentally compromises the system's integrity and security posture. This vulnerability exists within the /c/PluginsController.php component, which serves as a crucial interface for plugin management and distribution within the content management system. The flaw enables malicious actors to exploit the download functionality by crafting specially designed plugin files that can trigger unauthorized code execution on the target server, effectively transforming a legitimate plugin installation mechanism into a vector for remote code execution.
The technical nature of this vulnerability stems from insufficient input validation and sanitization within the plugin download handler. When the system processes requests to download plugins through the PluginsController, it fails to properly validate the file paths or content of the requested plugin files. This allows attackers to manipulate the download process by providing malicious file paths that bypass normal security checks. The vulnerability can be classified under CWE-22 as a "Path Traversal" attack vector, where attackers can manipulate file system access through directory traversal sequences. The flaw operates at the intersection of improper input validation and inadequate access controls, creating a pathway for attackers to access files beyond the intended scope of the plugin management system.
The operational impact of this vulnerability extends far beyond simple unauthorized file access, as it provides attackers with the capability to execute arbitrary code on the affected server. Once an attacker successfully exploits this vulnerability, they can upload and execute malicious plugins that may contain backdoors, malware, or other malicious payloads. This represents a severe compromise of the system's confidentiality, integrity, and availability as defined by the CIA triad. The vulnerability allows for complete system compromise, potentially enabling attackers to establish persistent access, escalate privileges, or use the compromised system as a launch point for further attacks against networked systems. The implications are particularly concerning given that jizhi CMS is a content management platform that typically handles sensitive data and user information, making the potential for data breaches and system infiltration highly significant.
Mitigation strategies for CVE-2023-38948 must address both immediate remediation and long-term security improvements to prevent similar vulnerabilities from occurring. Organizations should immediately apply the vendor-provided patches or updates that address the input validation flaws in the PluginsController.php component. Additionally, implementing proper file path validation and sanitization measures can prevent directory traversal attacks from succeeding. Network segmentation and access controls should be enhanced to limit the impact of potential compromises, while implementing web application firewalls can help detect and block malicious download attempts. The vulnerability also highlights the importance of following secure coding practices and conducting regular security assessments of third-party components, aligning with ATT&CK technique T1190 for exploiting vulnerabilities in web applications. Organizations should also consider implementing automated monitoring solutions that can detect unauthorized plugin installations or suspicious file download activities, providing early warning capabilities for potential exploitation attempts.