CVE-2025-62029 in Grevo Plugin
Summary
by MITRE • 10/22/2025
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in themesion Grevo grevo.This issue affects Grevo: from n/a through <= 2.4.
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Analysis
by VulDB Data Team • 10/22/2025
The CVE-2025-62029 vulnerability represents a critical PHP Remote File Inclusion (RFI) flaw that specifically targets the themesion Grevo grevo application. This vulnerability resides in the improper handling of filename parameters within include or require statements, creating a pathway for remote attackers to execute arbitrary code on the affected system. The flaw exists in the grevo application version 2.4 and earlier, indicating that all previous versions are potentially susceptible to this attack vector. The vulnerability stems from inadequate input validation and sanitization of user-supplied parameters that are directly used in PHP's include or require functions without proper security checks.
The technical implementation of this vulnerability occurs when the application accepts user input through parameters such as GET or POST variables that are then directly passed to include or require statements. When an attacker can manipulate these parameters, they can inject malicious file paths that point to remote servers hosting attacker-controlled code. This creates a scenario where the PHP interpreter executes code from external sources, effectively allowing remote code execution. The vulnerability is classified under CWE-98 as Improper Control of Code Generation Called by a Loop, which specifically addresses the dangerous practice of allowing user input to influence code execution paths. The attack typically involves crafting malicious URLs with parameters that, when processed by the vulnerable application, result in the inclusion of remote files.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with complete control over the affected system. Successful exploitation can lead to unauthorized access, data theft, system compromise, and potential lateral movement within network environments. Attackers can leverage this vulnerability to establish persistent backdoors, exfiltrate sensitive information, or use the compromised system as a launchpad for further attacks. The remote nature of this vulnerability means that attackers do not need physical access to the system and can exploit it from anywhere on the internet. This makes the vulnerability particularly dangerous in web application environments where applications are exposed to untrusted networks. The attack surface is broad since many web applications use include or require statements for legitimate purposes such as including configuration files, templates, or modules, making this a common target for exploitation.
Mitigation strategies for CVE-2025-62029 should focus on implementing strict input validation and sanitization practices. Organizations should immediately upgrade to the latest version of the grevo application where this vulnerability has been patched. Additionally, administrators should implement proper parameter validation by using allowlists of acceptable values instead of relying on user input for include paths. The application code should be reviewed to ensure that no user-controllable parameters are passed directly to include or require statements. Security measures should include disabling remote file inclusion features in PHP configuration, using absolute paths for include statements, and implementing proper access controls for file operations. According to ATT&CK framework, this vulnerability maps to T1190 - Exploit Public-Facing Application, where attackers use application vulnerabilities to gain initial access to systems. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for exploitation attempts, while maintaining regular security assessments and code reviews to identify similar vulnerabilities in other applications.