CVE-2026-28060
Published: 05 March 2026
Summary
CVE-2026-28060 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 33.1th 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-2026-28060 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, classified under CWE-98 and labeled as PHP Remote File Inclusion, but enabling PHP Local File Inclusion in the ThemeREX S.King (stephanie-king) WordPress theme. This flaw affects all versions of S.King from n/a through 1.5.3.
Unauthenticated attackers can exploit this vulnerability remotely over the network (AV:N), requiring high attack complexity (AC:H) with no privileges (PR:N) or user interaction (UI:N) needed, and unchanged scope (S:U). Successful exploitation yields high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H), with an overall CVSS v3.1 score of 8.1, potentially allowing inclusion and execution of arbitrary local files.
The Patchstack advisory (https://patchstack.com/database/Wordpress/Theme/stephanie-king/vulnerability/wordpress-s-king-theme-1-5-3-local-file-inclusion-vulnerability?_s_id=cve) documents the local file inclusion vulnerability in the WordPress S.King theme up to version 1.5.3, recommending mitigation through theme updates to patched releases.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-9720
Vulnerability details
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in ThemeREX S.King stephanie-king allows PHP Local File Inclusion.This issue affects S.King: from n/a through <= 1.5.3.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Unauthenticated remote LFI vulnerability in public-facing WordPress theme directly enables exploitation of public-facing application (T1190) and facilitates reading data from local system files (T1005).
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly mandates identification, reporting, and correction of flaws like the PHP LFI vulnerability in the S.King WordPress theme through timely patching to versions beyond 1.5.3.
Enforces validation of user-supplied filenames in PHP include/require statements to block path traversal and prevent arbitrary local file inclusion.
Requires secure PHP configuration settings, such as open_basedir restrictions, to limit file access scope and mitigate LFI exploitation impact.