Executive Summary

CVE-2026-22493 is a Local File Inclusion (LFI) vulnerability found in the WordPress Gaspard Theme versions up to and including 1.3. This vulnerability allows unauthenticated attackers to manipulate the theme to include and display local files from the target website.

By exploiting this flaw, attackers can access sensitive information stored in local files, such as database credentials, which could lead to further compromise of the website.

This vulnerability is categorized under the OWASP Top 10 category A3: Injection, specifically as a Local File Inclusion issue.

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Impact Analysis

Exploitation of this vulnerability can lead to unauthorized disclosure of sensitive information, including database credentials.

If attackers obtain database credentials, they could potentially take over the entire database depending on the website's configuration.

This can result in data breaches, loss of data integrity, and compromise of the website's security.

The vulnerability has a high severity score of 8.1, indicating a high risk and likelihood of exploitation, often targeted in mass-exploit campaigns.

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Detection Guidance

The vulnerability allows unauthenticated attackers to include and display local files from the target website, which can be detected by monitoring for suspicious HTTP requests attempting to exploit Local File Inclusion (LFI) patterns.

Common detection methods include inspecting web server logs for requests containing file inclusion patterns such as "../" sequences or attempts to access sensitive files like /etc/passwd or configuration files.

While no specific commands are provided, typical commands to detect such activity might include using grep on web server logs, for example:

• grep -i 'include' /var/log/apache2/access.log
• grep -E '\.\./|etc/passwd' /var/log/apache2/access.log

Additionally, network intrusion detection systems (NIDS) or web application firewalls (WAF) with rules targeting LFI patterns can help detect exploitation attempts.

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Mitigation Strategies

Since no official patch is currently available for this vulnerability, immediate mitigation involves applying the mitigation rule provided by Patchstack to block attacks exploiting this flaw.

Users are strongly advised to update the affected Gaspard theme to a patched version as soon as it becomes available.

In the meantime, seek assistance from your hosting provider or web developer to implement mitigation measures such as configuring a web application firewall (WAF) or other security controls to prevent exploitation.

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Compliance Impact

The vulnerability allows unauthenticated attackers to include and display local files from the target website, potentially exposing sensitive information such as database credentials.

Exposure of sensitive information could lead to a complete database takeover depending on the site's configuration, which may result in unauthorized access to personal or protected data.

Such unauthorized data exposure and potential data breaches could negatively impact compliance with common standards and regulations like GDPR and HIPAA, which require protection of sensitive and personal data.

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