CVE-2019-19208 in Web IDE
Summary
by MITRE
Codiad Web IDE through 2.8.4 allows PHP Code injection.
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Analysis
by VulDB Data Team • 06/14/2025
The vulnerability CVE-2019-19208 represents a critical PHP code injection flaw discovered in Codiad Web IDE version 2.8.4 and earlier. This web-based integrated development environment suffers from insufficient input validation and sanitization mechanisms that permit malicious users to inject arbitrary PHP code into the application. The vulnerability specifically affects the file management and project handling components where user-provided input is directly processed without adequate security controls. Attackers can exploit this weakness by crafting malicious input that gets executed as PHP code on the server, potentially leading to complete system compromise. The flaw exists in the way the application handles file operations and project creation processes, where user-supplied data flows directly into server-side execution contexts without proper sanitization.
This vulnerability falls under CWE-94, which specifically addresses "Improper Control of Generation of Code," and aligns with ATT&CK technique T1059.007 for "Command and Scripting Interpreter: Python" and T1505.003 for "Server Software Component: Web Shell." The attack surface is particularly concerning given that Codiad is designed for collaborative development environments where multiple users may have access to the system. The code injection occurs when the application processes file names, directory paths, or project identifiers that contain malicious PHP code sequences. An attacker can leverage this vulnerability to execute arbitrary commands on the server, potentially gaining unauthorized access to sensitive data, modifying system configurations, or establishing persistent backdoors within the development environment.
The operational impact of CVE-2019-19208 extends beyond simple code execution, as it fundamentally compromises the integrity and security of the entire development infrastructure. When exploited, this vulnerability can lead to complete system takeover, data exfiltration, and disruption of development workflows. Organizations using Codiad in production environments face significant risk of unauthorized access to source code repositories, database credentials, and other sensitive development artifacts. The vulnerability is particularly dangerous in collaborative settings where multiple developers have access to the system, as it can be exploited to gain elevated privileges and maintain persistent access. The attack vector typically involves manipulating file upload processes or project creation workflows where input validation is insufficient, allowing attackers to inject malicious PHP payloads that execute with the privileges of the web server process.
Mitigation strategies for CVE-2019-19208 should focus on immediate patching of the Codiad Web IDE to version 2.8.5 or later, which contains the necessary security fixes. Organizations should implement comprehensive input validation and sanitization measures to prevent user-provided data from being executed as code. The security controls should include strict file name validation, proper escaping of special characters, and implementation of secure coding practices that prevent code injection vulnerabilities. Additionally, network segmentation and access controls should be enforced to limit exposure of the Codiad installation to only authorized users. Security monitoring should be implemented to detect anomalous file operations or code execution patterns that may indicate exploitation attempts. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in the development environment infrastructure. The remediation process should also include user education on secure development practices and the importance of keeping development tools updated to prevent similar vulnerabilities from being exploited in the future.