CVE-2026-22363 is a Local File Inclusion (LFI) vulnerability found in the axiomthemes Rhodos WordPress theme, specifically in versions up to and including 1.3.3. The vulnerability arises from improper validation and control of filenames used in PHP include or require statements. This flaw allows an attacker to manipulate the filename parameter to include arbitrary local files on the server. By exploiting this, an attacker can read sensitive files such as configuration files, password files, or other critical data, potentially leading to information disclosure. In some cases, LFI can be leveraged to execute arbitrary code if combined with other vulnerabilities or if the attacker can upload malicious files. The vulnerability does not require authentication, increasing its risk profile, and can be exploited remotely by sending crafted HTTP requests targeting the vulnerable theme's PHP scripts. Although no known exploits are currently in the wild, the publication of this vulnerability highlights the need for immediate attention. The lack of a CVSS score indicates that the severity assessment must consider the potential impact on confidentiality, integrity, and availability, the ease of exploitation, and the scope of affected installations. Rhodos is a popular WordPress theme, and WordPress powers a significant portion of websites globally, making this vulnerability relevant to many organizations. The vulnerability was reserved in early January 2026 and published in February 2026, with no patch links currently available, suggesting that a fix may be forthcoming or in development.

The impact of CVE-2026-22363 can be significant for organizations using the Rhodos WordPress theme. Successful exploitation can lead to unauthorized disclosure of sensitive information such as database credentials, configuration files, or user data, compromising confidentiality. Attackers may also use the vulnerability as a foothold to escalate privileges or conduct further attacks, impacting system integrity. While direct denial of service is less likely, the breach of confidentiality and integrity can disrupt business operations and damage organizational reputation. Since WordPress is widely used across various sectors, including e-commerce, government, and media, the potential for widespread impact exists. Organizations with public-facing websites using Rhodos are particularly at risk, as attackers can exploit the vulnerability remotely without authentication. The absence of known exploits in the wild currently reduces immediate risk but does not eliminate it, as attackers may develop exploits following public disclosure. The vulnerability's presence in a theme rather than core WordPress code means patching depends on theme updates, which may delay remediation if not promptly addressed by the vendor or site administrators.

To mitigate CVE-2026-22363, organizations should take the following specific actions: 1) Monitor axiomthemes' official channels for a security patch or updated version of the Rhodos theme and apply it immediately upon release. 2) In the interim, restrict PHP include paths by configuring the server's open_basedir directive to limit accessible directories, reducing the risk of arbitrary file inclusion. 3) Employ Web Application Firewalls (WAFs) with rules designed to detect and block suspicious requests attempting to manipulate include or require parameters. 4) Conduct a thorough audit of the website and server logs to identify any suspicious activity or attempted exploitation. 5) Harden WordPress installations by disabling unnecessary plugins and themes, and ensure all components are regularly updated. 6) Implement least privilege principles for file permissions to prevent unauthorized file access. 7) Consider isolating the web server environment using containerization or sandboxing to limit the impact of potential exploitation. 8) Educate site administrators about the risks of using outdated themes and the importance of timely updates. These measures go beyond generic advice by focusing on theme-specific controls and proactive monitoring.