Cyber Resilience

CVE-2026-22513

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 0.0052 40.0th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-22513 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 40.0th 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-2026-22513 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, affecting the Triompher WordPress theme developed by AncoraThemes. The issue impacts all versions from n/a through 1.1.0 and was published on 2026-03-25.

The vulnerability carries a CVSS 3.1 base score of 8.1 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating exploitation over the network by unauthenticated attackers (PR:N) with high attack complexity (AC:H) and no user interaction required (UI:N). Successful exploitation allows high impacts on confidentiality, integrity, and availability, mapped to CWE-98, potentially enabling attackers to include and execute local files on the server.

Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/triompher/vulnerability/wordpress-triompher-theme-1-1-0-local-file-inclusion-vulnerability?_s_id=cve.

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 Triompher triompher allows PHP Local File Inclusion.This issue affects Triompher: from n/a through <= 1.1.0.

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 →
T1005 Data from Local System Collection
Adversaries may search local system sources, such as file systems, configuration files, local databases, virtual machine files, or process memory, to find files of interest and sensitive data prior to Exfiltration.
attack.mitre.org →
Why these techniques?

Public-facing WordPress theme vulnerability (T1190) enables arbitrary local file access via LFI (T1005).

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

CVEs Like This One

CVE-2025-60057Shared CWE-98
CVE-2025-58940Shared CWE-98
CVE-2026-22476Shared CWE-98
CVE-2025-67980Shared CWE-98
CVE-2025-69034Shared CWE-98
CVE-2025-58225Shared CWE-98
CVE-2026-22427Shared CWE-98
CVE-2025-69402Shared CWE-98
CVE-2025-64205Shared CWE-98
CVE-2026-28013Shared CWE-98

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-10 Information Input Validation good match
prevent

Directly addresses improper control of filenames in PHP include/require by requiring validation of inputs to block malicious local file inclusion paths.

SI-2 Flaw Remediation good match
prevent

Requires timely identification, reporting, and patching of specific flaws like this PHP Local File Inclusion vulnerability in the Triompher WordPress theme.

CM-6 Configuration Settings partial match
prevent

Mandates secure configuration settings for PHP and web servers, such as open_basedir restrictions, to limit exploitable file access in vulnerable themes.

References