Cyber Resilience

CVE-2026-22508

High

Published: 25 March 2026

Published
25 March 2026
Modified
24 April 2026
KEV Added
—
Patch
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CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0050 39.1th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-22508 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 39.1th 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-2026-22508 is an Improper Control of Filename for Include/Require Statement vulnerability in a PHP program, described as PHP Remote File Inclusion but enabling PHP Local File Inclusion, affecting the Dentalux WordPress theme developed by AncoraThemes. The issue impacts versions from n/a through 3.3 inclusive.

The vulnerability has a CVSS v3.1 base score of 8.1 (High), with network attack vector (AV:N), high attack complexity (AC:H), no privileges required (PR:N), no user interaction (UI:N), unchanged scope (S:U), and high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H). Remote attackers can exploit it to perform local file inclusion, potentially leading to unauthorized access to local files on the server.

Patchstack's advisory at https://patchstack.com/database/Wordpress/Theme/dentalux/vulnerability/wordpress-dentalux-theme-3-3-local-file-inclusion-vulnerability?_s_id=cve provides details on the Local File Inclusion vulnerability specific to Dentalux theme version 3.3.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in AncoraThemes Dentalux dentalux allows PHP Local File Inclusion.This issue affects Dentalux: from n/a through <= 3.3.

CWE(s)
CWE-98

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
Why these techniques?

CVE-2026-22508 is a PHP file inclusion vulnerability in a public-facing WordPress theme, directly enabling unauthenticated remote exploitation of a public-facing web application (T1190).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2025-58923Shared CWE-98
CVE-2025-69057Shared CWE-98
CVE-2024-54263Shared CWE-98
CVE-2026-28035Shared CWE-98
CVE-2026-28024Shared CWE-98
CVE-2025-67525Shared CWE-98
CVE-2025-22707Shared CWE-98
CVE-2025-69375Shared CWE-98
CVE-2026-22443Shared CWE-98
CVE-2025-53198Shared CWE-98

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-2 Flaw Remediation good match
prevent

SI-2 directly remediates the specific flaw in the Dentalux theme's PHP include/require statement, preventing exploitation of this LFI vulnerability through patching or code fixes.

SI-10 Information Input Validation good match
prevent

SI-10 enforces validation of user-supplied filenames prior to PHP include/require operations, blocking malicious inputs that enable local file inclusion.

SI-9 Information Input Restrictions good match
prevent

SI-9 restricts filename inputs to whitelisted safe values or formats, preventing path traversal attacks like those exploiting this PHP LFI vulnerability.

References