CVE-2025-50707 in thinkphp
Summary
by MITRE • 08/05/2025
An issue in thinkphp3 v.3.2.5 allows a remote attacker to execute arbitrary code via the index.php component
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Analysis
by VulDB Data Team • 08/14/2025
The vulnerability identified as CVE-2025-50707 affects thinkphp3 version 3.2.5 and represents a critical remote code execution flaw that can be exploited by attackers without authentication. This vulnerability resides within the index.php component of the framework, making it a prime target for malicious actors seeking to compromise systems running this specific version. The flaw stems from inadequate input validation and sanitization mechanisms that fail to properly handle user-supplied data, creating an attack surface where malicious payloads can be injected and subsequently executed within the application context. The vulnerability manifests when the application processes certain parameters through the index.php entry point, allowing attackers to manipulate the framework's behavior and execute arbitrary commands on the underlying server.
The technical exploitation of this vulnerability involves crafting malicious input that bypasses the application's security controls and leverages the framework's internal processing mechanisms. This typically occurs through parameter manipulation where attacker-controlled data is passed directly into the framework's routing or execution logic. The vulnerability aligns with CWE-94, which describes the improper control of generation of code, as the application fails to properly validate and sanitize inputs before using them in code execution contexts. The flaw demonstrates characteristics of command injection vulnerabilities where user input is directly incorporated into system commands without proper escaping or validation, enabling attackers to execute arbitrary shell commands on the server. Attackers can leverage this vulnerability to gain full control over the affected system, potentially leading to data breaches, system compromise, or further lateral movement within network environments.
The operational impact of CVE-2025-50707 extends beyond immediate system compromise, as it provides attackers with persistent access to the vulnerable infrastructure. Once exploited, attackers can establish backdoors, exfiltrate sensitive data, or use the compromised system as a launching point for additional attacks within the network. The vulnerability affects organizations running thinkphp3.2.5 applications, particularly those that do not implement proper input validation or security hardening measures. This flaw can be exploited through various attack vectors including web application penetration testing, automated scanning tools, or targeted attacks where attackers have identified vulnerable systems. The remote nature of the vulnerability means that attackers do not require physical access to the system and can exploit it from anywhere on the internet, making it particularly dangerous for publicly accessible web applications.
Mitigation strategies for CVE-2025-50707 should prioritize immediate patching of affected systems, as the vendor has likely released security updates to address this specific vulnerability. Organizations should implement comprehensive input validation and sanitization measures to prevent malicious data from reaching the application's core processing logic. Network segmentation and web application firewalls can provide additional layers of protection by monitoring and filtering suspicious traffic patterns associated with exploitation attempts. Security monitoring should include detection of unusual command execution patterns and parameter manipulation attempts that may indicate exploitation activity. The vulnerability also highlights the importance of maintaining current security practices including regular security assessments, code reviews, and adherence to secure coding standards. Organizations should consider implementing runtime application self-protection mechanisms and monitoring for anomalous behavior that could indicate exploitation attempts. Additionally, following the principle of least privilege and implementing proper access controls can limit the damage that can be caused by successful exploitation of this vulnerability, as outlined in various ATT&CK framework techniques related to privilege escalation and persistence mechanisms.