CVE-2026-28050
Published: 05 March 2026
Summary
CVE-2026-28050 is a high-severity PHP Remote File Inclusion (CWE-98) vulnerability. Its CVSS base score is 8.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 34.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).
Deeper analysis
CVE-2026-28050 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, classified under CWE-98, that enables PHP Local File Inclusion in the ThemeREX Beacon WordPress theme. The issue affects Beacon versions from n/a through 2.24 and was published on 2026-03-05.
The vulnerability carries 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 exploitation is possible over the network by unauthenticated attackers (PR:N) with high attack complexity (AC:H) and no user interaction required (UI:N). Successful exploitation can result in high impacts to confidentiality, integrity, and availability, potentially allowing attackers to read sensitive files, modify data, or disrupt services on the affected system.
Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/beacon/vulnerability/wordpress-beacon-theme-2-24-local-file-inclusion-vulnerability?_s_id=cve.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-9710
Vulnerability details
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in ThemeREX Beacon beacon allows PHP Local File Inclusion.This issue affects Beacon: from n/a through <= 2.24.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The LFI vulnerability in the public-facing WordPress theme directly enables exploitation of a public-facing application (T1190) and facilitates collection of data from arbitrary local system files via improper filename control in PHP include/require (T1005).
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Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly remediates the specific PHP Local File Inclusion flaw in ThemeREX Beacon versions <=2.24 by requiring timely identification, reporting, and patching.
Requires validation of user-supplied filenames prior to their use in PHP include/require statements, preventing improper control that enables LFI.
Enforces least privilege on the web server process running the vulnerable theme, limiting access to sensitive files even if LFI is exploited.