Executive Summary

CVE-2026-27342 is a Local File Inclusion (LFI) vulnerability found in the WordPress TopFit - Fitness and Gym Theme versions up to and including 1.9.

This vulnerability allows an unauthenticated attacker to include and display local files from the target website by exploiting improper control of filename parameters in PHP include/require statements.

As a result, sensitive information such as database credentials can be exposed.

Useful 0 Not Useful 0

Impact Analysis

[{'type': 'paragraph', 'content': 'Exploitation of this vulnerability can lead to exposure of sensitive files on the server, including database credentials.'}, {'type': 'paragraph', 'content': "Depending on the website's configuration, an attacker could potentially take over the entire database."}, {'type': 'paragraph', 'content': 'This represents a highly dangerous risk with a CVSS severity score of 8.1 and requires no privileges to exploit.'}] [1]

Useful 0 Not Useful 0

Compliance Impact

I don't know

Useful 0 Not Useful 0

Detection Guidance

[{'type': 'paragraph', 'content': 'This vulnerability allows an unauthenticated attacker to include local files from the target website and display their contents. Detection can involve monitoring for suspicious HTTP requests attempting to exploit Local File Inclusion (LFI) patterns targeting the TopFit theme.'}, {'type': 'paragraph', 'content': 'While no specific commands are provided in the resources, typical detection methods include inspecting web server logs for unusual requests containing file inclusion patterns such as "../" sequences or attempts to access sensitive files.'}, {'type': 'paragraph', 'content': 'Using tools like grep on server logs to find suspicious requests might help, for example:'}, {'type': 'list_item', 'content': 'grep -i "(\\.|%2e){2,}" /var/log/apache2/access.log'}, {'type': 'list_item', 'content': 'grep -i "include" /var/log/apache2/access.log'}, {'type': 'paragraph', 'content': 'Additionally, web application firewalls (WAFs) with rules targeting this vulnerability can help detect and block exploitation attempts.'}] [1]

Useful 0 Not Useful 0

Mitigation Strategies

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

It is recommended to implement web application firewall (WAF) rules that specifically block Local File Inclusion attack patterns related to this vulnerability.

Additionally, restricting file inclusion permissions and hardening the web server configuration to prevent unauthorized file access can reduce risk.

Monitoring and logging should be enhanced to detect any exploitation attempts early.

Ultimately, updating or replacing the vulnerable theme once an official patch or secure version is released is necessary for long-term security.

Useful 0 Not Useful 0