Executive Summary

CVE-2026-22443 is a Local File Inclusion (LFI) vulnerability found in the WordPress Alliance Theme versions up to and including 3.1.1. It allows unauthenticated attackers to exploit improper control of filename parameters in PHP include/require statements, enabling them to include and display local files from the target website.

This vulnerability arises because the theme does not properly validate or sanitize the filename input, which can be manipulated to access sensitive files on the server.

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Impact Analysis

[{'type': 'paragraph', 'content': 'Exploitation of this vulnerability can lead to the exposure of sensitive information such as database credentials by allowing attackers to include and view local files on the server.'}, {'type': 'paragraph', 'content': "Depending on the website's configuration, attackers could leverage this access to perform a complete database takeover, severely compromising the security and integrity of the website."}, {'type': 'paragraph', 'content': 'Because the vulnerability is unauthenticated and has a high severity score (CVSS 8.1), it poses a significant risk to affected sites.'}] [1]

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Compliance Impact

I don't know

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Detection Guidance

[{'type': 'paragraph', 'content': 'This vulnerability allows unauthenticated attackers to include local files via the WordPress Alliance Theme up to version 3.1.1. Detection typically involves monitoring for suspicious HTTP requests attempting to exploit Local File Inclusion (LFI) by including local file paths in parameters.'}, {'type': 'paragraph', 'content': 'While no specific commands are provided in the resources, common detection methods include inspecting web server logs for requests containing patterns like "../../" or attempts to include sensitive files such as "/etc/passwd" or "wp-config.php".'}, {'type': 'paragraph', 'content': 'Network intrusion detection systems (NIDS) or web application firewalls (WAF) can be configured to alert on such suspicious requests.'}] [1]

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Mitigation Strategies

Since no official patch is currently available for this vulnerability, immediate mitigation involves applying the Patchstack mitigation rule designed to block attacks targeting this Local File Inclusion vulnerability.

Users are advised to implement Patchstack’s mitigation measures immediately to protect their websites from exploitation.

Additionally, monitoring and restricting access to sensitive files and limiting the permissions of the web server user can help reduce the impact.

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