CVE-2026-22416
Published: 05 March 2026
Summary
CVE-2026-22416 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-2026-22416 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, referred to as PHP Remote File Inclusion, present in the AncoraThemes FixTeam WordPress theme. It enables PHP Local File Inclusion and affects versions from n/a through 1.5.0 inclusive. Published on 2026-03-05, the issue 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) and is associated with CWE-98.
Remote attackers can exploit this vulnerability over the network without privileges or user interaction, though it requires high attack complexity. Successful exploitation grants high impacts on confidentiality, integrity, and availability, allowing attackers to perform local file inclusion, potentially leading to arbitrary code execution or data exposure on affected WordPress sites running the vulnerable theme.
The Patchstack advisory provides further details on the vulnerability in the WordPress FixTeam theme at https://patchstack.com/database/Wordpress/Theme/fixteam/vulnerability/wordpress-fixteam-theme-1-4-local-file-inclusion-vulnerability?_s_id=cve.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-9545
Vulnerability details
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in AncoraThemes FixTeam fixteam allows PHP Local File Inclusion.This issue affects FixTeam: from n/a through <= 1.5.0.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
LFI vulnerability in public-facing WordPress theme enables remote exploitation (T1190) and arbitrary local file reads (T1005).
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly remediates the PHP Local File Inclusion flaw in the FixTeam WordPress theme by identifying, reporting, and patching the improper filename control in include/require statements.
Validates and sanitizes user-supplied filenames passed to PHP include/require functions in the vulnerable theme to block malicious local file paths.
Establishes PHP configuration settings like open_basedir to restrict file access paths and mitigate local file inclusion attempts in the FixTeam theme.