CVE-2026-28092
Published: 05 March 2026
Description
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in ThemeREX Sounder sounder allows PHP Local File Inclusion.This issue affects Sounder: from n/a through <= 1.3.11.
Mitigating Controls (NIST 800-53 r5)AI
SI-10 mandates validation of information inputs, directly preventing LFI by ensuring filenames supplied to PHP include/require statements are sanitized and validated.
SI-2 requires timely identification, reporting, and correction of flaws, directly mitigating this CVE through patching the vulnerable ThemeREX Sounder WordPress theme.
RA-5 employs vulnerability scanning to identify LFI vulnerabilities like CVE-2026-28092 in web applications such as the Sounder theme.
Security SummaryAI
CVE-2026-28092 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, referred to as PHP Remote File Inclusion but enabling PHP Local File Inclusion, in the ThemeREX Sounder WordPress theme. This issue affects Sounder versions from n/a through 1.3.11 and is associated with CWE-98. The vulnerability was published on 2026-03-05 with a CVSS v3.1 base score of 8.1 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating high severity due to potential high impacts on confidentiality, integrity, and availability.
Unauthenticated attackers can exploit this vulnerability over the network with high attack complexity and no user interaction required. Successful exploitation allows PHP Local File Inclusion, enabling attackers to include and potentially execute arbitrary local files on the server, which could lead to sensitive data exposure, server compromise, or further privilege escalation depending on the environment.
The Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/sounder/vulnerability/wordpress-sounder-theme-1-3-11-local-file-inclusion-vulnerability?_s_id=cve details the local file inclusion vulnerability in the WordPress Sounder theme version 1.3.11 and provides information on patches and mitigation strategies for affected installations.
Details
- CWE(s)
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The vulnerability is a local file inclusion in a public-facing WordPress theme allowing unauthenticated attackers to execute arbitrary local PHP files remotely, directly enabling T1190: Exploit Public-Facing Application.