CVE-2025-58889 in Towny Plugin
Summary
by MITRE • 12/18/2025
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in axiomthemes Towny towny allows PHP Local File Inclusion.This issue affects Towny: from n/a through <= 1.16.
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Analysis
by VulDB Data Team • 12/18/2025
The CVE-2025-58889 vulnerability represents a critical PHP Remote File Inclusion flaw within the axiomthemes Towny WordPress theme, specifically impacting versions through 1.16. This vulnerability resides in the improper control of filename parameters within include/require statements, creating a pathway for malicious actors to execute arbitrary code on affected systems. The issue stems from insufficient validation of user-supplied input that is directly used in PHP include directives, allowing attackers to manipulate the file inclusion process and potentially load remote malicious files.
This vulnerability operates under the CWE-98 classification, which specifically addresses the improper control of a resource through a file inclusion mechanism. The flaw manifests when the Towny theme fails to properly sanitize or validate file paths passed through user-controllable parameters, particularly those used in PHP include or require statements. Attackers can exploit this by crafting malicious requests that manipulate the filename parameter, potentially leading to local file inclusion attacks that can escalate to full system compromise. The vulnerability's impact is amplified by its presence in a widely-used WordPress theme, making it an attractive target for automated exploitation campaigns.
The operational impact of CVE-2025-58889 extends beyond simple code execution to encompass complete system compromise and data breach potential. When successfully exploited, this vulnerability allows attackers to execute arbitrary PHP code on the target server, potentially leading to unauthorized access to sensitive data, installation of backdoors, or complete system takeover. The local file inclusion aspect means that attackers can access and execute files on the server's filesystem, potentially reading configuration files, database credentials, or other sensitive information. This vulnerability aligns with ATT&CK technique T1505.003 for 'Server Software Component' and T1078.004 for 'Valid Accounts' as exploitation often requires minimal privileges but can lead to elevated access.
Mitigation strategies for CVE-2025-58889 must address both immediate remediation and long-term security hardening. The primary recommendation involves updating to the latest version of the Towny theme where the vulnerability has been patched, as the vendor has likely implemented proper input validation and sanitization measures. Administrators should also implement strict input validation for all user-supplied parameters, particularly those used in file inclusion operations, by employing allowlists of permitted values rather than denylists. Additionally, the principle of least privilege should be enforced by restricting PHP's ability to include remote files through configuration settings such as disabling allow_url_include in php.ini. Network-level protections including web application firewalls and intrusion detection systems can provide additional layers of defense against exploitation attempts. Security monitoring should include detection of suspicious file inclusion patterns and unusual access to system resources. Organizations should also conduct regular security audits of their WordPress installations to identify and remediate similar vulnerabilities in other plugins or themes that may be susceptible to the same class of attacks.