CVE-2026-22427: 
WordPress vulnerability analysis and mitigation

CVE-2026-22427 is a PHP Local File Inclusion (LFI) vulnerability in the Mikado-Themes GoTravel WordPress theme, classified under CWE-98 (Improper Control of Filename for Include/Require Statement in PHP Program). It affects GoTravel versions up to and including 2.1, allowing unauthenticated network attackers to include and execute arbitrary PHP files from the local server. The vulnerability was published on March 5, 2026, with Patchstack as the assigning authority. It carries a CVSS v3.1 base score of 8.1 (High) (Feedly, Patchstack).

The root cause is improper control of filenames used in PHP include/require statements (CWE-98), which allows attacker-controlled input to influence which file is included at runtime. Despite being classified under the 'PHP Remote File Inclusion' CWE, the actual exploitation vector is Local File Inclusion (LFI), meaning attackers can reference files already present on the server's filesystem rather than remote URLs. No authentication is required to trigger the vulnerable code path, and the attack complexity is rated High, suggesting some precondition or non-default configuration may be needed. No public proof-of-concept or detailed technical write-up has been identified at this time (Feedly, Patchstack).

Successful exploitation allows an attacker to include and execute arbitrary PHP files from the local server filesystem, potentially exposing sensitive configuration files (e.g., wp-config.php), database credentials, and other secrets. The CVSS scoring reflects high impacts across confidentiality, integrity, and availability, meaning an attacker could read sensitive data, modify application logic, and potentially crash or destabilize the web server. In a WordPress context, this could lead to full site compromise, credential theft, and a foothold for further lateral movement within the hosting environment (Feedly).

As of the time of reporting, there is no public proof-of-concept exploit and no confirmed evidence of in-the-wild exploitation (Feedly). The EPSS score is approximately 0.053%, indicating a low current probability of exploitation in the near term. No threat actor attribution has been made, and the vulnerability does not appear in the CISA Known Exploited Vulnerabilities (KEV) catalog. The attack complexity is rated High, which may limit opportunistic exploitation.

1. Reconnaissance: Identify WordPress sites using the GoTravel theme version 2.1 or earlier via passive scanning tools (e.g., WPScan, Shodan) or by inspecting theme metadata in publicly accessible style.css files.
2. Identify vulnerable parameter: Locate the theme's PHP code path that passes user-controlled input to a include() or require() statement without adequate sanitization or whitelisting.
3. Craft LFI payload: Construct an HTTP request with a manipulated parameter value referencing a sensitive local file, such as ../../../../wp-config.php or /etc/passwd, using path traversal sequences.
4. Send malicious request: Submit the crafted request to the vulnerable endpoint (e.g., a theme template or AJAX handler) without authentication.
5. Extract sensitive data or achieve code execution: If the included file contains PHP code (e.g., a previously uploaded file or a log file with injected PHP), it will be executed; otherwise, its contents may be disclosed in the HTTP response, exposing credentials or configuration data (Feedly).

• Network: Unusual HTTP GET or POST requests to WordPress theme endpoints containing path traversal sequences (e.g., ../, ..%2F, %2e%2e%2f) in query parameters or POST body fields.
• Logs: WordPress or web server access logs showing requests with encoded traversal patterns targeting GoTravel theme files; HTTP 200 responses to requests referencing system files like /etc/passwd or wp-config.php.
• File System: Unexpected access timestamps on sensitive files such as wp-config.php, /etc/passwd, or PHP session files; presence of web shells in writable directories.
• Process: Unusual PHP child processes spawned by the web server user (e.g., www-data) executing shell commands or making outbound network connections.

No official patch from Mikado-Themes has been confirmed as available at the time of reporting; users should check for theme updates beyond version 2.1 and apply them immediately if available (Feedly, Patchstack). As interim mitigations: disable allow_url_include and allow_url_fopen in php.ini; deploy Web Application Firewall (WAF) rules to detect and block LFI patterns (e.g., path traversal sequences in parameters); and restrict filesystem permissions so the web server user cannot read sensitive files outside the web root. Consider replacing the theme with an actively maintained alternative if no patch is released promptly.

Wordfence noted this vulnerability in their weekly WordPress vulnerability report for the period of February 23 – March 1, 2026, indicating it was tracked as part of broader WordPress ecosystem monitoring (Wordfence). VulDB also indexed the vulnerability shortly after disclosure. No significant vendor statements, researcher commentary, or broader media coverage has been identified beyond routine vulnerability database entries.