CVE-2026-22477

High

Published: 05 March 2026

Published

05 March 2026

Modified

22 April 2026

KEV Added

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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 0.0040 32.0th percentile

Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-22477 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 32.0th 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-2026-22477 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, classified as a PHP Remote File Inclusion issue that enables PHP Local File Inclusion, affecting the Felizia WordPress theme by AncoraThemes. The vulnerability impacts all versions of Felizia from n/a through 1.3.4. It is associated with CWE-98 and 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 high severity due to its potential for significant impact despite elevated attack complexity.

Remote attackers with network access can exploit this vulnerability without authentication or user interaction, though it requires high attack complexity. Successful exploitation allows attackers to perform local file inclusion, potentially leading to high impacts on confidentiality, integrity, and availability, such as unauthorized access to sensitive files or system compromise on the affected WordPress site.

The Patchstack advisory provides details on this vulnerability in the Felizia WordPress theme, available at https://patchstack.com/database/Wordpress/Theme/felizia/vulnerability/wordpress-felizia-theme-1-3-4-local-file-inclusion-vulnerability?_s_id=cve.

OWASP Top 10 for Web (2025)

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-9588

Vulnerability details

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in AncoraThemes Felizia felizia allows PHP Local File Inclusion.This issue affects Felizia: from n/a through <= 1.3.4.

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?

The vulnerability is a Local File Inclusion (LFI) in a public-facing WordPress theme, enabling unauthenticated remote attackers to include and execute local PHP files, directly mapping to exploitation of a public-facing application.

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