CVE-2025-58707: Axiomthemes Spin LFI Vulnerability

CVE-2025-58707 Overview

CVE-2025-58707 is a PHP Local File Inclusion (LFI) vulnerability affecting the Axiomthemes Spin WordPress theme through version 1.8. The flaw stems from improper control of filenames used in PHP include and require statements, classified under [CWE-98]. Attackers can manipulate file path parameters to load arbitrary local files into the PHP execution context. Successful exploitation enables source code disclosure, sensitive data exposure, and arbitrary PHP code execution when attackers control includable content. The vulnerability is network-exploitable and requires no authentication or user interaction, though attack complexity is rated high.

Critical Impact
Unauthenticated attackers can include arbitrary local PHP files on vulnerable WordPress sites, leading to remote code execution and full site compromise.

Affected Products

Axiomthemes Spin WordPress Theme — versions up to and including 1.8
WordPress sites running the Spin theme with PHP file inclusion functionality
Hosting environments where vulnerable Spin theme files are web-accessible

Discovery Timeline

2026-06-02 - CVE-2025-58707 published to the National Vulnerability Database
2026-06-02 - Last updated in NVD database

Technical Details for CVE-2025-58707

Vulnerability Analysis

The vulnerability resides in the Axiomthemes Spin theme's handling of dynamic file inclusion. PHP code passes attacker-influenced input directly into include, include_once, require, or require_once statements without validation. This is the canonical PHP File Inclusion weakness described by [CWE-98]. While the advisory title references Remote File Inclusion, the confirmed impact is Local File Inclusion against the WordPress host. Attackers can traverse the filesystem and load PHP files outside the intended template directory. When combined with file upload primitives or log poisoning, LFI commonly escalates to remote code execution under the web server account.

Root Cause

The root cause is missing input sanitization on a request parameter that controls a file path passed to a PHP inclusion function. The theme does not enforce an allowlist of permitted templates, does not normalize path traversal sequences such as ../, and does not constrain inclusion to a base directory using functions like realpath(). Any request reaching the vulnerable handler can influence which file PHP interprets.

Attack Vector

Exploitation occurs over the network against the public WordPress front end. An attacker sends a crafted HTTP request to the vulnerable Spin theme endpoint, supplying a path traversal payload in the controlled parameter. The PHP interpreter loads and executes the targeted file in the current request context. Targets typically include wp-config.php for credential theft, server log files for log poisoning, or previously uploaded media files containing PHP payloads. The high attack complexity reflects environmental conditions required to reach the vulnerable code path. Refer to the Patchstack WordPress Spin Theme Vulnerability advisory for additional technical context.

Detection Methods for CVE-2025-58707

Indicators of Compromise

HTTP requests containing path traversal sequences such as ../, ..%2f, or URL-encoded variants targeting Spin theme PHP files under /wp-content/themes/spin/.
Web server access logs showing query parameters referencing absolute paths to sensitive files like wp-config.php, /etc/passwd, or PHP session files.
Unexpected PHP errors or warnings in logs referencing failed include() or require() calls with attacker-supplied filenames.

Detection Strategies

Inspect web application firewall logs for inclusion patterns targeting query parameters that resolve to filesystem paths under the Spin theme directory.
Correlate WordPress file integrity changes with inbound requests to the Spin theme to identify follow-on web shell deployment.
Hunt for outbound process execution originating from the PHP-FPM or web server process tree, which indicates LFI-to-RCE escalation.

Monitoring Recommendations

Enable verbose PHP error logging and forward logs to a centralized analytics platform for retrospective hunting.
Monitor file creation events under wp-content/uploads/ for PHP files, which are a common LFI escalation vector.
Alert on first-seen User-Agent strings issuing requests with directory traversal payloads against WordPress endpoints.

How to Mitigate CVE-2025-58707

Immediate Actions Required

Disable or remove the Axiomthemes Spin theme on any WordPress installation running version 1.8 or earlier until a patched release is verified.
Deploy WAF rules to block requests containing ../, null bytes, and php:// or file:// wrappers against theme paths.
Audit wp-content/uploads/ and theme directories for unauthorized PHP files indicative of post-exploitation activity.
Rotate WordPress secrets in wp-config.php, database credentials, and administrator passwords if compromise is suspected.

Patch Information

No vendor patch is referenced in the published advisory. Affected versions span from initial release through Spin 1.8. Administrators should consult the Patchstack WordPress Spin Theme Vulnerability entry for updated remediation guidance and monitor Axiomthemes channels for a fixed release.

Workarounds

Replace the Spin theme with a maintained alternative until a fixed version is available.
Restrict PHP open_basedir to the WordPress document root to limit which files PHP can include.
Set allow_url_include = Off and allow_url_fopen = Off in php.ini to block remote inclusion variants.
Apply virtual patching at the WAF layer to filter file inclusion payloads targeting the theme.

bash

# php.ini hardening to reduce file inclusion risk
allow_url_include = Off
allow_url_fopen = Off
open_basedir = "/var/www/html:/tmp"
disable_functions = "exec,passthru,shell_exec,system,proc_open,popen"