CVE-2026-28067 is a high-severity vulnerability related to improper control of filenames for include/require statements in PHP applications. Specifically, this vulnerability affects the ThemeREX Bassein theme version 1.0.15 and allows for PHP Local File Inclusion (LFI). The potential impact is significant, as it can lead to unauthorized access to sensitive information stored on the server. With a CVSS score of 8.1, this vulnerability poses a serious risk to organizations utilizing this theme.
The vulnerability was published on March 5, 2026, and is currently marked as deferred. Organizations should prioritize addressing this vulnerability due to its high severity. Without proper remediation, attackers may leverage this vulnerability to gain unauthorized access to server files, which could compromise the integrity and confidentiality of the affected systems.
Given the nature of this vulnerability, organizations using the ThemeREX Bassein theme should assess their exposure and the risk it poses. The urgency to patch this vulnerability is high, and organizations should take immediate action to mitigate potential exploitation.
In light of this vulnerability, it is crucial for organizations to stay informed about updates from the vendor and to implement necessary patches as soon as they become available. Ensuring that all systems are updated and secure can prevent exploitation and protect sensitive data.
Vulnerability Details
The CVE-2026-28067 vulnerability is characterized as a PHP Remote File Inclusion vulnerability. This vulnerability allows attackers to manipulate include/require statements, enabling local file inclusion. The CVSS score of 8.1 indicates a high severity level, highlighting the need for immediate intervention. The affected product is the ThemeREX Bassein theme, specifically versions 1.0.15 and earlier.
The vulnerability was disclosed on March 5, 2026, and is associated with the Common Weakness Enumeration (CWE) entry CWE-98, which pertains to improper control of filenames. Organizations using this theme should verify their current version and apply any necessary updates to mitigate the risk.
Technical Analysis
The root cause of this vulnerability stems from improper validation of filenames used in PHP's include/require statements. Attackers can exploit this weakness to include malicious files from the server, leading to unauthorized access to sensitive data or the execution of arbitrary code.
The attack vector for this vulnerability is network-based, meaning that an attacker can exploit it remotely without needing physical access to the server. The attack complexity is rated as high, indicating that successful exploitation may require advanced skills or additional factors. Notably, no privileges are required for exploitation, and user interaction is not necessary, which increases the vulnerability's risk profile.
When exploited, the potential impact on confidentiality, integrity, and availability is high. Attackers may gain access to sensitive information, alter data, or disrupt services, making this vulnerability particularly dangerous in a production environment.
Risk & Impact Analysis
Risk to organizations includes significant potential data loss and disruption of services. The ability of attackers to include arbitrary files can lead to severe consequences, including unauthorized access to sensitive data or control over the affected systems. The urgency for organizations to address this vulnerability is high due to its high CVSS score and the potential for exploitation in real-world scenarios.
With the vulnerability being network-exploitable and requiring no user interaction, organizations must prioritize patching immediately. The blast radius of this vulnerability can be extensive, especially for organizations that rely heavily on the ThemeREX Bassein theme.
Organizations should also consider implementing additional security measures, such as regular security assessments, to identify and address similar vulnerabilities in their systems.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerability impacts all versions of the ThemeREX Bassein theme up to and including version 1.0.15. Organizations using this theme should ensure they are using a patched version to mitigate the risk of exploitation.
Mitigation & Remediation
Organizations should prioritize applying patches or updates provided by the vendor for the Bassein theme. If no patch is available, consider implementing workarounds such as disabling the affected functionality or restricting access to sensitive files.
Configuration hardening should also be considered, such as ensuring that the web server is configured to prevent unauthorized file access. Additionally, regular security assessments can help identify potential weaknesses and improve overall security posture.
For further guidance on penetration testing and security assessments, organizations may refer to penetration testing services to validate the effectiveness of their remediation efforts.
Detection Guidance
Organizations should monitor logs for indicators of unauthorized file access attempts, unusual behavior in file inclusion patterns, and any anomalies that could indicate exploitation attempts related to this vulnerability.
Additionally, monitoring for changes in system files or suspicious network activity can help in early detection of potential exploitation.
AppSecure Threat Intelligence Insight
The CVE-2026-28067 vulnerability highlights the importance of maintaining secure coding practices and the necessity of regular updates in software components. As vulnerabilities like this can lead to severe consequences, organizations must adopt a proactive approach to vulnerability management and remediation.
Security teams should also be aware of common patterns in vulnerabilities, such as improper input validation, and implement measures to prevent similar vulnerabilities in the future. For organizations looking to strengthen their security posture, engaging in penetration testing and following established vulnerability management program guidelines can be beneficial.
Engaging with security professionals can provide additional insights into security best practices and threat landscape awareness, enhancing overall security resilience.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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