CVE-2026-28094
Published: 05 March 2026
Summary
CVE-2026-28094 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 38.1th 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).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Directly mandates timely remediation of the specific LFI vulnerability in RexCoin WordPress theme versions through n/a to <=1.2.6 by patching or removal.
Enforces validation of user-supplied filenames in PHP include/require statements to block arbitrary local file inclusion exploits.
Requires secure PHP configuration settings like disabling allow_url_include and enforcing open_basedir to restrict file inclusion capabilities exploited by this CVE.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The LFI vulnerability in a public-facing WordPress theme enables exploitation of public-facing applications (T1190), facilitating file and directory discovery (T1083) and access to unsecured credentials in local files like configuration files (T1552.001).
NVD Description
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in ThemeREX RexCoin rexcoin allows PHP Local File Inclusion.This issue affects RexCoin: from n/a through <= 1.2.6.
Deeper analysisAI
CVE-2026-28094 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, classified as PHP Remote File Inclusion but enabling PHP Local File Inclusion, in the ThemeREX RexCoin WordPress theme (rexcoin). The issue affects RexCoin versions from n/a through 1.2.6 and is associated with CWE-98.
The vulnerability is exploitable over the network (AV:N) by unauthenticated attackers (PR:N) with no user interaction required (UI:N), though it demands high attack complexity (AC:H) and results in unchanged scope (S:U). Successful exploitation yields high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H), earning a CVSS v3.1 base score of 8.1 and potentially allowing severe compromise of the affected WordPress site.
Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/rexcoin/vulnerability/wordpress-rexcoin-theme-1-2-6-local-file-inclusion-vulnerability?_s_id=cve, which covers the Local File Inclusion vulnerability in RexCoin theme version 1.2.6.
Details
- CWE(s)