CVE-2026-27093 in Tripgo Plugin
Summary
by MITRE • 03/19/2026
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in Ovatheme Tripgo allows PHP Local File Inclusion.This issue affects Tripgo: from n/a before 1.5.6.
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Analysis
by VulDB Data Team • 03/19/2026
The CVE-2026-27093 vulnerability represents a critical PHP Remote File Inclusion flaw within the Ovatheme Tripgo plugin, classified under CWE-88 as improper control of filename for include/require statements. This vulnerability stems from inadequate input validation and sanitization mechanisms that permit malicious actors to manipulate file inclusion directives within the PHP application. The flaw specifically manifests when the application accepts user-supplied input through parameters that are directly used in include or require statements without proper sanitization or validation, creating an exploitable path for remote code execution through local file inclusion attacks. The vulnerability exists in Tripgo versions prior to 1.5.6, indicating that the developers failed to implement proper input validation controls that would prevent attackers from injecting malicious file paths into the application's include mechanisms.
The technical implementation of this vulnerability allows an attacker to leverage the lack of proper parameter sanitization to inject arbitrary file paths into the PHP include/require statements. When a user-controlled parameter is passed directly to functions like include, require, include_once, or require_once without proper validation, the PHP interpreter will attempt to load and execute the specified file. This creates a pathway for attackers to access local files on the server, potentially including sensitive system files, configuration files, or even malicious payloads that can be executed within the context of the web application. The vulnerability specifically affects the Tripgo plugin, which appears to handle user inputs through parameters that are then used in file inclusion operations, making it susceptible to manipulation by unauthorized users.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with the capability to achieve remote code execution within the web application's context. Successful exploitation could allow threat actors to execute arbitrary PHP code on the affected server, potentially leading to full system compromise, data exfiltration, or the installation of backdoors. The vulnerability's classification as a local file inclusion issue means that attackers can leverage it to access files that should normally be restricted, including configuration files containing database credentials, application secrets, or system-level files that could provide additional attack vectors. This represents a significant security risk for any website running the vulnerable Tripgo plugin, as it allows attackers to bypass normal access controls and directly manipulate the application's execution environment.
Mitigation strategies for CVE-2026-27093 should focus on implementing proper input validation and sanitization mechanisms within the affected PHP application. The primary remediation involves ensuring that all user-supplied inputs passed to include/require statements are properly validated and sanitized before being used in file inclusion operations. This can be achieved through several approaches including whitelisting allowed values, implementing strict parameter validation, using absolute path restrictions, and avoiding user input in file inclusion directives altogether. The most effective solution involves upgrading to Tripgo version 1.5.6 or later, which should contain proper input validation controls that address this vulnerability. Additionally, implementing proper access controls, disabling dangerous PHP functions like allow_url_include, and maintaining regular security updates for all plugins and themes helps prevent similar vulnerabilities from being exploited in the future. Organizations should also consider implementing web application firewalls and runtime application self-protection mechanisms to detect and prevent exploitation attempts targeting this type of vulnerability.